{Extension} Remove verbose log in pip (#30553)

Author: bebound

src/azure-cli-core/azure/cli/core/extension/operations.py

@@ -46,7 +46,7 @@
 
 
 def _run_pip(pip_exec_args, extension_path=None):
-    cmd = [sys.executable, '-m', 'pip'] + pip_exec_args + ['-vv', '--disable-pip-version-check', '--no-cache-dir']
+    cmd = [sys.executable, '-m', 'pip'] + pip_exec_args + ['--disable-pip-version-check', '--no-cache-dir']
     logger.debug('Running: %s', cmd)
     try:
         log_output = check_output(cmd, stderr=STDOUT, universal_newlines=True)