Revert "One more time fix package.json"

This reverts commit 9a09bf0.

Author: DzikuVx

package-lock.json

@@ -37,7 +37,7 @@
     "jquery-ui-npm": "1.12.0",
     "marked": "^0.3.17",
     "minimist": "^1.2.0",
-    "nw": "^0.81.0",
+    "nw": "^0.61.0-sdk",
     "nw-dialog": "^1.0.7",
     "openlayers": "^4.6.5",
     "plotly": "^1.0.6",