[LLDB] Remove TestLoadUnload.py Arm/Linux Xfail decorator

This is a follow up on my last commit where one of the decorator was
left unremoved.

This patch removes Xfail decorator from TestLoadUnload.py as it is now
passing on Arm/Linux buildbot.

lldb/test/API/functionalities/load_unload/TestLoadUnload.py

@@ -201,7 +201,6 @@ def test_dyld_library_path(self):
         hostoslist=["windows"],
         triple='.*-android')
     @expectedFailureAll(oslist=["windows"]) # process load not implemented
-    @expectedFailureAll(oslist=["linux"], archs=["arm"]) # Fails on ubuntu jammy
     def test_lldb_process_load_and_unload_commands(self):
         self.setSvr4Support(False)
         self.run_lldb_process_load_and_unload_commands()