Remove .git for glance_store override to fix pip dependency conflict

Author: seunghun1ee

etc/kayobe/kolla.yml

@@ -358,7 +358,7 @@ kolla_build_customizations_common:
     - /additions/*
   glance_base_pip_packages_override:
     - "/glance"
-    - "glance_store[cinder,vmware,swift,s3]@git+https://github.com/stackhpc/glance_store.git@stackhpc/4.7.0.3"
+    - "glance_store[cinder,vmware,swift,s3]@git+https://github.com/stackhpc/glance_store@stackhpc/4.7.0.3"
   ironic_inspector_pip_packages_append:
     - /additions/*
   magnum_base_pip_packages_override: