Moved npm packages into prod dependencies

Author: rg911

package-lock.json

@@ -45,10 +45,8 @@
     "coveralls": "^3.0.0",
     "gulp": "^4.0.2",
     "gulp-typescript": "^5.0.1",
-    "js-sha256": "^0.9.0",
     "mocha": "^4.0.1",
     "nyc": "^11.3.0",
-    "ripemd160": "^2.0.2",
     "secure-random": "^1.1.1",
     "ts-mockito": "^2.2.7",
     "ts-node": "^5.0.1",
@@ -61,7 +59,9 @@
     "crypto-js": "^3.1.9-1",
     "flatbuffers": "^1.11.0",
     "js-joda": "^1.6.2",
+    "js-sha256": "^0.9.0",
     "js-sha3": "^0.8.0",
+    "ripemd160": "^2.0.2",
     "request": "^2.83.0",
     "request-promise-native": "^1.0.5",
     "rxjs": "^6.2.1",