Bug 1558539 - Remove unnecessary call to mutator.Finalize(). r=decoder,necko-reviewers,valentin

Differential Revision: https://phabricator.services.mozilla.com/D79018

netwerk/test/fuzz/TestURIFuzzing.cpp

@@ -122,11 +122,6 @@ static int FuzzingRunURIParser(const uint8_t* data, size_t size) {
           break;
         }
       }
-
-      nsresult rv = mutator.Finalize(uri);
-      if (NS_FAILED(rv)) {
-        return 0;
-      }
     } else {
       nsAutoCString out;