Merge pull request llvm#11523 from jasonmolenda/re-enable-TestRegisters

[lldb] remove TestRegisters.py skip

Author: jasonmolenda

lldb/test/API/commands/register/register/register_command/TestRegisters.py

@@ -42,7 +42,6 @@ def get_sme_available(self):
     @skipIfiOSSimulator
     @skipIf(archs=no_match(["amd64", "arm$", "i386", "x86_64"]))
     @expectedFailureAll(oslist=["freebsd", "netbsd"], bugnumber="llvm.org/pr48371")
-    @skipIf(bugnumber="rdar://159864305")
     def test_register_commands(self):
         """Test commands related to registers, in particular vector registers."""
         self.build()