Remove duplication in Monitor Query package description (Azure#20501)

Author: scottaddie

sdk/monitor/azure-monitor-query/setup.py

@@ -53,7 +53,7 @@
 setup(
     name=PACKAGE_NAME,
     version=version,
-    description='Microsoft Azure {} Client Library for Python'.format(PACKAGE_PPRINT_NAME),
+    description='Microsoft {} Client Library for Python'.format(PACKAGE_PPRINT_NAME),
     long_description=readme + '\n\n' + changelog,
     long_description_content_type='text/markdown',
     license='MIT License',