storage release: stop using no-op deployProxy / deployPgSniRouter (#7382)

As of https://github.com/neondatabase/aws/pull/1264
these options are no-ops.

This PR unblocks removal of the variables in
https://github.com/neondatabase/aws/pull/1263

.github/workflows/build_and_test.yml

@@ -1133,8 +1133,6 @@ jobs:
               -f deployPreprodRegion=true
 
             gh workflow --repo neondatabase/aws run deploy-prod.yml --ref main \
-              -f deployPgSniRouter=false \
-              -f deployProxy=false \
               -f deployStorage=true \
               -f deployStorageBroker=true \
               -f deployStorageController=true \