refactor: refactor bad smell UnusedLabel

# Repairing Code Style Issues
<!-- laughing-train-refactor -->
## UnusedLabel
A label is a named statement that can be used to jump to it from other parts of the code. If a label is not used, it is better to remove it.

<!-- fingerprint:-1777244990 -->
# Repairing Code Style Issues
* UnusedLabel (1)

Fixes #3519

COPYBARA_INTEGRATE_REVIEW=#3519 from MartinWitt:laughing-train/Qodana/-331951670 c4fdf9c
PiperOrigin-RevId: 499314932

core/src/main/java/com/google/errorprone/bugpatterns/ClassNewInstance.java

@@ -87,7 +87,6 @@ public Description matchMethodInvocation(MethodInvocationTree tree, VisitorState
   // update or add a catch block to handle the new exceptions
   private static boolean fixExceptions(VisitorState state, SuggestedFix.Builder fix) {
     TryTree tryTree = null;
-    OUTER:
     for (TreePath path = state.getPath(); path != null; path = path.getParentPath()) {
       if (path.getLeaf() instanceof CatchTree) {
         // don't add more catch blocks if newInstance() was called in a catch block