Fix some statically detected code issues

This includes: unnecessary semicolons, suppress warnings, switch statements, final/private qualifiers, Optional wrapping, conditionals, both inline and non-inline variables, ternaries, Collection putAll() calls, StringBuilders, and throws declarations.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=244182539

java/google/registry/model/domain/launch/LaunchCheckExtension.java

@@ -60,7 +60,7 @@ public class LaunchCheckExtension extends ImmutableObject implements CommandExte
 
     /** A check to see if there are matching trademarks on the specified domain names. */
     @XmlEnumValue("claims")
-    CLAIMS;
+    CLAIMS
   }
 
   /**