ONOS-6285 ConnectivityIntentCommand.java: The 'appIdForIntent' variable in the 'key' method is not used, so it can be deleted.

Change-Id: I072c1cf3eed54a8178581e2a8bb9e224b22856bb
diff --git a/cli/src/main/java/org/onosproject/cli/net/ConnectivityIntentCommand.java b/cli/src/main/java/org/onosproject/cli/net/ConnectivityIntentCommand.java
index 0fd65d0..aa3c810 100644
--- a/cli/src/main/java/org/onosproject/cli/net/ConnectivityIntentCommand.java
+++ b/cli/src/main/java/org/onosproject/cli/net/ConnectivityIntentCommand.java
@@ -446,7 +446,6 @@
      */
     protected Key key() {
         Key key = null;
-        ApplicationId appIdForIntent;
 
         if (intentKey != null) {
             key = Key.of(intentKey, appId());