Update go/ql/lib/semmle/go/frameworks/GoMicro.qll

Co-authored-by: Owen Mansel-Chan <62447351+owen-mc@users.noreply.github.com>

Author: GeekMasher

go/ql/lib/semmle/go/frameworks/GoMicro.qll

@@ -75,12 +75,9 @@ module GoMicro {
    */
   class ServiceServerType extends NamedType {
     ServiceServerType() {
-      exists(ServiceInterfaceType i, TypeEntity te |
-        this.implements(i) and
-        this.getName().regexpMatch("(?i).*Handler") and
-        te.getType() = this and
-        te.getDeclaration().getLocation().getFile() instanceof ProtocGeneratedFile
-      )
+      this.implements(any(ServiceInterfaceType i)) and
+      this.getName().regexpMatch("(?i).*Handler") and
+      this.hasLocationInfo(any(ProtocGeneratedFile f).getAbsolutePath(), _, _, _, _)
     }
   }