Add missing dependency on azure-mgmt-core (Azure#18249)

* add missing dependency on azure-mgmt-core

Author: scbedd

sdk/regionmove/azure-mgmt-regionmove/setup.py

@@ -81,8 +81,8 @@
     ]),
     install_requires=[
         'msrest>=0.5.0',
-        'msrestazure>=0.4.32,<2.0.0',
         'azure-common~=1.1',
+        'azure-mgmt-core<2.0.0,>=1.2.0'
     ],
     extras_require={
         ":python_version<'3.0'": ['azure-mgmt-nspkg'],