keytar should be a regular dependency

package.json

@@ -32,6 +32,7 @@
     "https-proxy-agent": "0.3.6",
     "iconv-lite": "0.4.15",
     "jschardet": "^1.4.2",
+    "keytar": "^4.0.3",
     "minimist": "1.2.0",
     "native-keymap": "1.2.4",
     "node-pty": "0.6.9",
@@ -93,7 +94,6 @@
     "is": "^3.1.0",
     "istanbul": "^0.3.17",
     "jsdom-no-contextify": "^3.1.0",
-    "keytar": "^4.0.3",
     "lazy.js": "^0.4.2",
     "mime": "1.2.11",
     "minimatch": "^2.0.10",