use nicer package dependency

package.json

@@ -33,7 +33,7 @@
     "native-keymap": "0.4.0",
     "node-pty": "0.6.2",
     "semver": "4.3.6",
-    "v8-profiler": "git://github.com/jrieken/v8-profiler.git#bc0803a4d4b2150b8a1bbffa80270769007036c2",
+    "v8-profiler": "jrieken/v8-profiler#vscode",
     "vscode-debugprotocol": "1.17.0",
     "vscode-textmate": "^3.1.1",
     "winreg": "1.2.0",