Remove openpgp module

Author: dgolovin

package.json

@@ -43,7 +43,6 @@
     "humanize": "0.0.9",
     "humanize-duration": "3.10.0",
     "mkdirp": "0.5.1",
-    "openpgp": "^2.5.8",
     "ng-focus-if": "1.0.7",
     "patternfly": "3.25.1",
     "pify": "3.0.0",