lib: replace 'assert' with 'internal/assert' for many built-ins

Replace large 'assert' module with tiny 'internal/assert' module for
many built-in uses.

PR-URL: https://github.com/nodejs/node/pull/25956
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Minwoo Jung <minwoo@nodesource.com>

lib/internal/test/heap.js

@@ -5,7 +5,7 @@ process.emitWarning(
   'internal/test/heap');
 
 const { createHeapDump, buildEmbedderGraph } = internalBinding('heap_utils');
-const assert = require('assert');
+const assert = require('internal/assert');
 
 // This is not suitable for production code. It creates a full V8 heap dump,
 // parses it as JSON, and then creates complex objects from it, leading
@@ -44,9 +44,10 @@ function createJSHeapDump() {
     edgeIndex++;
   }
 
-  for (const node of nodes)
-    assert.strictEqual(node.edge_count, node.outgoingEdges.length);
-
+  for (const node of nodes) {
+    assert(node.edge_count === node.outgoingEdges.length,
+           `${node.edge_count} !== ${node.outgoingEdges.length}`);
+  }
   return nodes;
 }