Clean up some A64 specific code in common code that was introduced by A64 merge

test/message/message.status

 # Copyright 2008 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 13 matching lines @@
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 
 # All tests in the bug directory are expected to fail.
 [
 [ALWAYS, {
   'bugs/*': [FAIL],
 }],  # ALWAYS
-
-['arch == a64', {
-  # Message tests won't pass until all UNIMPLEMENTED messages are removed.
-  'regress/regress-75': [SKIP],
-  'regress/regress-73': [SKIP],
-  'regress/regress-1527': [SKIP],
-  'try-finally-throw-in-try': [SKIP],
-  'try-finally-throw-in-finally': [SKIP],
-  'try-finally-return-in-finally': [SKIP],
-  'try-catch-finally-throw-in-finally': [SKIP],
-  'try-catch-finally-throw-in-catch-and-finally': [SKIP],
-  'try-catch-finally-throw-in-catch': [SKIP],
-  'try-catch-finally-return-in-finally': [SKIP],
-  'try-catch-finally-no-message': [SKIP],
-  'simple-throw': [SKIP],
-  'replacement-marker-as-argument': [SKIP],
-  'overwritten-builtins': [SKIP],
-  'try-finally-throw-in-try-and-finally': [SKIP],
-}],  # 'arch == a64'
 ]