Don't try to disable the already removed ext/interbase

cmb69 · cmb69 · commit fe9165449ddc · 2019-05-01T23:56:48.000+02:00
Otherwise we break the build.
diff --git a/appveyor/build_task.bat b/appveyor/build_task.bat
@@ -59,7 +59,6 @@ cmd /c configure.bat ^
 	--disable-debug-pack ^
 	--enable-com-dotnet=shared ^
 	--without-analyzer ^
-	--without-interbase ^
 	--enable-object-out-dir=%PHP_BUILD_OBJ_DIR% ^
 	--with-php-build=%DEPS_DIR% ^
 	%ADD_CONF% ^
