Silence rather than exclude for more user customization

Author: rebeccahum

WordPress-VIP-Go/ruleset.xml

@@ -257,6 +257,9 @@
 	</rule>
 
 	<!-- Silence is golden, these don't affect us on VIP Go -->
+	<rule ref="VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable">	
+		<severity>0</severity>	
+	</rule>
 	<rule ref="WordPress.DB.SlowDBQuery.slow_db_query_meta_key">
 		<!-- We are silencing this one because VIP Go has a combined index on meta_key, meta_value-->
 		<severity>0</severity>

WordPressVIPMinimum/ruleset.xml

@@ -144,9 +144,7 @@
 	</rule>
 
 	<!-- Include VariableAnalysis checks -->
-	<rule ref="VariableAnalysis">
-		<exclude name="VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable"/>
-	</rule>
+	<rule ref="VariableAnalysis"/>
 
 	<!-- Prevent deprecation notice when the sniff is not explicitly included. -->
 	<rule ref="WordPressVIPMinimum.Variables.VariableAnalysis.DeprecatedSniff">