[Arm64] CQ Evaluate removing half barriers introduced in #14329 #9067
Description
dotnet/coreclr#14329 introduces barriers in the exclusive ld/st ops related to atomics. Decide whether these barriers are required for these atomic nodes. Remove if necessary.
// The following instruction includes a acquire half barrier
// The following instruction includes a release half barrier
// The following instruction includes a acquire half barrier
// The following instruction includes a release half barrier