test: remove debugger workaround for AIX

Optimistically removing workaround code in the debugger test tool.

PR-URL: #39296
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>

test/common/debugger.js

@@ -23,10 +23,7 @@ function startCLI(args, flags = [], spawnOpts = {}) {
     if (this === child.stderr) {
       stderrOutput += chunk;
     }
-    // TODO(trott): Figure out why the "breakpoints restored." message appears
-    // in unpredictable places especially on AIX in CI. We shouldn't be
-    // excluding it, but it gets in the way of the output checking for tests.
-    outputBuffer.push(chunk.replace(/\n*\d+ breakpoints restored\.\n*/mg, ''));
+    outputBuffer.push(chunk);
   }
 
   function getOutput() {