Move common config into common file

Author: sgibson91

config/clusters/nmfs-openscapes/common.values.yaml

@@ -14,6 +14,8 @@ nfs:
       - noresvport
     baseShareName: /
     # serverIP is set in staging / prod respectively
+jupyterhub-home-nfs:
+  enabled: true
 
 jupyterhub:
   custom:

config/clusters/nmfs-openscapes/staging.values.yaml

@@ -24,7 +24,6 @@ jupyterhub:
         oauth_callback_url: https://staging.nmfs-openscapes.2i2c.cloud/hub/oauth_callback
 
 jupyterhub-home-nfs:
-  enabled: true
   eks:
     enabled: true
     volumeId: vol-08dafa2e06872afbd