Revert "[LLDB] Arm64/Linux test case for MTE and Pointer Authentication regset"

This reverts commit 9ab677180091a690cd99d4ac55d5fb9e1149b1ec.

Reason: LLDB AArch64/Linux buildbot failure.
GitOrigin-RevId: feb6f2c78fa9474e7329c4a809f175b1675d0975
4 files changed