Final changes to config sub-system (#8600)

- Introduces changes such as certain types of
  errors that can be ignored or which need to 
  go into safe mode.
- Update help text as per the review

cmd/config/legacy.go

@@ -31,10 +31,6 @@ func SetCredentials(c Config, cred auth.Credentials) {
 		return
 	}
 	c[CredentialsSubSys][Default] = KVS{
-		KV{
-			Key:   State,
-			Value: StateOn,
-		},
 		KV{
 			Key:   AccessKey,
 			Value: cred.AccessKey,
@@ -56,9 +52,5 @@ func SetRegion(c Config, name string) {
 			Key:   RegionName,
 			Value: name,
 		},
-		KV{
-			Key:   State,
-			Value: StateOn,
-		},
 	}
 }