related to
- nushell/nushell#10567
- nushell/nushell#10668
- nushell/nushell#10568

this PR removes mentions to removed commands from
nushell/nushell#10567,
nushell/nushell#10668 and
nushell/nushell#10568.

the main change has been introduced with
```nushell
sd 'random integer' 'random int' **/*.nu
```

running `rg "$nothing|random integer|to xml .* --pretty"` gives
- before
```
modules/random-list/random-list.nu
85:# Generate a random integer list.
95:        random integer $range

modules/fun/wordle.nu
11:  let word = ($words | get (random integer 0..($words | length)) | get column1)

benchmarks/random-bytes.nu
5:        | each { random integer }

sourced/misc/password_generator/ReadMe.md
84:Obviously you can just use the `random chars` or `random integers` commands but I like to have words I can read in my passwords, and I think those generated by this script have sufficient entropy.

sourced/misc/password_generator/nupass.nu
43:  let random_numbers = (1..$words | par-each { |i| (random integer 0..99) } --threads $threads)
71:    return (0..($words - 1) | each { |it| (random integer 0..99 | into string) + ($random_words | get $it) } | reduce { |it
, acc| $acc + $it })
92:    | get (random integer 1..($numlines))
99:        let rint = (random integer 1..4)
119:    | get (random integer 0..($symbolcharslen - 1))
```
- after
```
modules/random-list/random-list.nu
85:# Generate a random integer list.

sourced/misc/password_generator/ReadMe.md
84:Obviously you can just use the `random chars` or `random integers` commands but I like to have words I can read in my passwords, and I think those generated by this script have sufficient entropy.
```

related to 
- nushell#10478

# Description
this PR is the followup removal to
nushell#10478.

# User-Facing Changes
`$nothing` is now an undefined variable, unless define by the user.
```nushell
> $nothing
Error: nu::parser::variable_not_found

  × Variable not found.
   ╭─[entry nushell#1:1:1]
 1 │ $nothing
   · ────┬───
   ·     ╰── variable not found.
   ╰────
```

# Tests + Formatting

# After Submitting
mention that in release notes

related to 
- nushell#10478

# Description
this PR is the followup removal to
nushell#10478.

# User-Facing Changes
`$nothing` is now an undefined variable, unless define by the user.
```nushell
> $nothing
Error: nu::parser::variable_not_found

  × Variable not found.
   ╭─[entry #1:1:1]
 1 │ $nothing
   · ────┬───
   ·     ╰── variable not found.
   ╰────
```

# Tests + Formatting

# After Submitting
mention that in release notes

related to
- nushell/nushell#10567
- nushell/nushell#10668
- nushell/nushell#10568

this PR removes mentions to removed commands from
nushell/nushell#10567,
nushell/nushell#10668 and
nushell/nushell#10568.

the main change has been introduced with
```nushell
sd 'random integer' 'random int' **/*.nu
```

running `rg "$nothing|random integer|to xml .* --pretty"` gives
- before
```
modules/random-list/random-list.nu
85:# Generate a random integer list.
95:        random integer $range

modules/fun/wordle.nu
11:  let word = ($words | get (random integer 0..($words | length)) | get column1)

benchmarks/random-bytes.nu
5:        | each { random integer }

sourced/misc/password_generator/ReadMe.md
84:Obviously you can just use the `random chars` or `random integers` commands but I like to have words I can read in my passwords, and I think those generated by this script have sufficient entropy.

sourced/misc/password_generator/nupass.nu
43:  let random_numbers = (1..$words | par-each { |i| (random integer 0..99) } --threads $threads)
71:    return (0..($words - 1) | each { |it| (random integer 0..99 | into string) + ($random_words | get $it) } | reduce { |it
, acc| $acc + $it })
92:    | get (random integer 1..($numlines))
99:        let rint = (random integer 1..4)
119:    | get (random integer 0..($symbolcharslen - 1))
```
- after
```
modules/random-list/random-list.nu
85:# Generate a random integer list.

sourced/misc/password_generator/ReadMe.md
84:Obviously you can just use the `random chars` or `random integers` commands but I like to have words I can read in my passwords, and I think those generated by this script have sufficient entropy.
```

related to
- nushell/nushell#10567
- nushell/nushell#10668
- nushell/nushell#10568

this PR removes mentions to removed commands from
nushell/nushell#10567,
nushell/nushell#10668 and
nushell/nushell#10568.

the main change has been introduced with
```nushell
sd 'random integer' 'random int' **/*.nu
```

running `rg "$nothing|random integer|to xml .* --pretty"` gives
- before
```
modules/random-list/random-list.nu
85:# Generate a random integer list.
95:        random integer $range

modules/fun/wordle.nu
11:  let word = ($words | get (random integer 0..($words | length)) | get column1)

benchmarks/random-bytes.nu
5:        | each { random integer }

sourced/misc/password_generator/ReadMe.md
84:Obviously you can just use the `random chars` or `random integers` commands but I like to have words I can read in my passwords, and I think those generated by this script have sufficient entropy.

sourced/misc/password_generator/nupass.nu
43:  let random_numbers = (1..$words | par-each { |i| (random integer 0..99) } --threads $threads)
71:    return (0..($words - 1) | each { |it| (random integer 0..99 | into string) + ($random_words | get $it) } | reduce { |it
, acc| $acc + $it })
92:    | get (random integer 1..($numlines))
99:        let rint = (random integer 1..4)
119:    | get (random integer 0..($symbolcharslen - 1))
```
- after
```
modules/random-list/random-list.nu
85:# Generate a random integer list.

sourced/misc/password_generator/ReadMe.md
84:Obviously you can just use the `random chars` or `random integers` commands but I like to have words I can read in my passwords, and I think those generated by this script have sufficient entropy.
```