Remove broken symlinks in extensions node modules

The broken symlinks cause nfpm to fail.

ci/dev/vscode.patch

@@ -237,6 +237,20 @@ index 7c668c9744..0778f4f7db 100644
 -    "rimraf": "^3.0.2"
    }
  }
+diff --git a/extensions/postinstall.js b/extensions/postinstall.js
+index da4fa3e9d0..50f3e1144f 100644
+--- a/extensions/postinstall.js
++++ b/extensions/postinstall.js
+@@ -24,6 +24,9 @@ function processRoot() {
+ 			rimraf.sync(filePath);
+ 		}
+ 	}
++
++	// Delete .bin so it doesn't contain broken symlinks that trip up nfpm.
++	rimraf.sync(path.join(__dirname, 'node_modules', '.bin'));
+ }
+ 
+ function processLib() {
 diff --git a/package.json b/package.json
 index 86e3d5140d..2e52256e49 100644
 --- a/package.json