Remove unnecessary semicolons

Change-Id: I7db3f3dd3ae6feee3d28415fc13615e4ac00af50

gerrit-common/src/main/java/com/google/gerrit/common/changes/Side.java

@@ -16,5 +16,5 @@ package com.google.gerrit.common.changes;
 
 /** The side on which a comment was added. */
 public enum Side {
-  PARENT, REVISION;
+  PARENT, REVISION
 }

gerrit-common/src/main/java/com/google/gerrit/common/data/PermissionRule.java

@@ -20,7 +20,7 @@ public class PermissionRule implements Comparable<PermissionRule> {
   public static enum Action {
     ALLOW, DENY, BLOCK,
 
-    INTERACTIVE, BATCH;
+    INTERACTIVE, BATCH
   }
 
   protected Action action = Action.ALLOW;

gerrit-common/src/main/java/com/google/gerrit/common/data/SubmitRecord.java

@@ -37,7 +37,7 @@ public class SubmitRecord {
      * <p>
      * Additional detail may be available in {@link SubmitRecord#errorMessage}.
      */
-    RULE_ERROR;
+    RULE_ERROR
   }
 
   public Status status;
@@ -78,7 +78,7 @@ public class SubmitRecord {
        * The likely cause is access has not been granted correctly by the
        * project owner or site administrator.
        */
-      IMPOSSIBLE;
+      IMPOSSIBLE
     }
 
     public String label;