Arm64/Sve: Remove entries of SVE APIs take 32-bit address

[kunalspathak]

We have done it in the past because we do not have good way of validating them. There were few left over that I commented in this PR and disabled the tests for them.

[dotnet-issue-labeler]

Note regarding the new-api-needs-documentation label:

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[dotnet-issue-labeler]

Note regarding the new-api-needs-documentation label:

This serves as a reminder for when your PR is modifying a ref *.cs file and adding/modifying public APIs, please make sure the API implementation in the src *.cs file is documented with triple slash comments, so the PR reviewers can sign off that change.

[kunalspathak]

@dotnet/arm64-contrib

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[amanasifkhalid]

Did a quick parse locally, and all the Gather* APIs with a svuint32_t argument are disabled. LGTM

[kunalspathak]

/ba-g failure seems to be timeout

[kunalspathak]

/backport to release/9.0

[github-actions]

Started backporting to release/9.0: https://github.com/dotnet/runtime/actions/runs/10842874058

[github-actions]

@kunalspathak backporting to release/9.0 failed, the patch most likely resulted in conflicts:

$ git am --3way --empty=keep --ignore-whitespace --keep-non-patch changes.patch

Applying: Remove entry of APIs because of #103297
Using index info to reconstruct a base tree...
M	src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Arm/Sve.PlatformNotSupported.cs
M	src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Arm/Sve.cs
Falling back to patching base and 3-way merge...
Auto-merging src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Arm/Sve.cs
CONFLICT (content): Merge conflict in src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Arm/Sve.cs
Auto-merging src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Arm/Sve.PlatformNotSupported.cs
CONFLICT (content): Merge conflict in src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Arm/Sve.PlatformNotSupported.cs
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
hint: When you have resolved this problem, run "git am --continue".
hint: If you prefer to skip this patch, run "git am --skip" instead.
hint: To restore the original branch and stop patching, run "git am --abort".
hint: Disable this message with "git config advice.mergeConflict false"
Patch failed at 0001 Remove entry of APIs because of #103297
Error: The process '/usr/bin/git' failed with exit code 128

Please backport manually!

[github-actions]

@kunalspathak an error occurred while backporting to release/9.0, please check the run log for details!

Error: git am failed, most likely due to a merge conflict.