Revert "net: partially revert "simplify Socket.prototype._final""

This reverts commit ac1f56c.

Refs: #24288
Refs: #24075

PR-URL: #24290
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Ouyang Yadong <oyydoibh@gmail.com>

lib/net.js

@@ -349,12 +349,6 @@ Socket.prototype._final = function(cb) {
     return this.once('connect', () => this._final(cb));
   }
 
-  // TODO(addaleax): This should not be necessary.
-  if (!this.readable || this._readableState.ended) {
-    cb();
-    return this.destroy();
-  }
-
   if (!this._handle)
     return cb();