ProperEscapingFunction: Upgrade htmlAttrNotByEscHTML to default severity (5)

Author: rebeccahum

WordPress-VIP-Go/ruleset.xml

@@ -229,10 +229,6 @@
 	<rule ref="Generic.PHP.NoSilencedErrors">
 		<severity>1</severity>
 	</rule>
-	<rule ref="WordPressVIPMinimum.Security.ProperEscapingFunction.htmlAttrNotByEscHTML">
-		<!-- This is still safe, just sub-optimal-->
-		<severity>3</severity>
-	</rule>
 	<rule ref="WordPressVIPMinimum.Functions.RestrictedFunctions.is_multi_author_is_multi_author">
 		<severity>1</severity>
 	</rule>