Remove exclusions of error_log lint rules

Author: john-shaffer

phpcs.xml

@@ -72,10 +72,6 @@
     <exclude name="WordPress.NamingConventions.ValidVariableName.MemberNotSnakeCase" />
     <exclude name="WordPress.NamingConventions.ValidVariableName.NotSnakeCase" />
     <exclude name="WordPress.NamingConventions.ValidVariableName.NotSnakeCaseMemberVar" />
-    <exclude name="WordPress.PHP.DevelopmentFunctions.error_log_debug_backtrace" />
-    <exclude name="WordPress.PHP.DevelopmentFunctions.error_log_error_log" />
-    <exclude name="WordPress.PHP.DevelopmentFunctions.error_log_print_r" />
-    <exclude name="WordPress.PHP.DevelopmentFunctions.error_log_var_export" />
     <exclude name="WordPress.PHP.DevelopmentFunctions.prevent_path_disclosure_error_reporting" />
     <exclude name="WordPress.PHP.DiscouragedPHPFunctions" />
     <!-- TODO: refactor to eliminate use of `exec` for compatibility w/shared hosts -->