Remove outputs of commands following the alerts.

* https://github.com/google/mozc/security/code-scanning/1
* https://github.com/google/mozc/security/code-scanning/2
* https://github.com/google/mozc/security/code-scanning/3

#codehealth

PiperOrigin-RevId: 634731299

src/build_tools/codesign_mac.py

@@ -41,15 +41,12 @@
 
 def RunOrDie(command):
   """Run the command, or die if it failed."""
-  print("Running: " + command)
   try:
     output = subprocess.check_output(command, shell=True)
     print("==========", file=sys.stderr)
-    print("COMMAND: " + command, file=sys.stderr)
     print(output.decode("utf-8"), file=sys.stderr)
   except subprocess.CalledProcessError as e:
     print("==========", file=sys.stderr)
-    print("ERROR: " + command, file=sys.stderr)
     print(e.output, file=sys.stderr)
     print("==========", file=sys.stderr)
     sys.exit(1)