fixed issue

Author: shailesh-google

psalm.xml.dist

@@ -7,7 +7,7 @@
     allowStringToStandInForClass="true"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns="https://getpsalm.org/schema/config"
-    xsi:schemaLocation="https://getpsalm.org/schema/config file:///var/www/html/vendor/vimeo/psalm/config.xsd"
+    xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
 >
     <projectFiles>
         <directory name="src" />
@@ -59,7 +59,6 @@
         <PossiblyUnusedMethod errorLevel="info" />
         <PossiblyUnusedReturnValue errorLevel="info" />
         <PossiblyUnusedParam errorLevel="info" />
-        <ClassMustBeFinal errorLevel="info" />
         <UnusedProperty errorLevel="info" />
         <UnusedClass errorLevel="info" />
         <UnusedVariable errorLevel="info" />