assert: remove deprecated getFunction() usage

The method is meant to be removed by the V8 team. It is not a
critical functionality that is removed, therefore no alternative
is checked for either.

Refs: https://bugs.chromium.org/p/v8/issues/detail?id=9421

Signed-off-by: Ruben Bridgewater <ruben@bridgewater.de>
PR-URL: #46661
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com>
Reviewed-By: Ujjwal Sharma <ryzokuken@disroot.org>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

lib/assert.js

@@ -308,12 +308,7 @@ function getErrMessage(message, fn) {
       return;
     }
   } else {
-    const fn = call.getFunction();
-    if (!fn) {
-      return message;
-    }
-    code = String(fn);
-    identifier = `${code}${line}${column}`;
+    return message;
   }
 
   if (errorCache.has(identifier)) {

test/parallel/test-assert.js

@@ -921,7 +921,7 @@ assert.throws(
   {
     code: 'ERR_ASSERTION',
     constructor: assert.AssertionError,
-    message: 'The expression evaluated to a falsy value:\n\n  assert(1 === 2)\n'
+    message: 'false == true'
   }
 );
 assert.throws(