chore: remove unused scripts

Author: tgpetrov

src/package.json

@@ -10,12 +10,9 @@
         }
     },
     "scripts": {
-        "tsc": "tsc",
-        "build": "npm run tsc && npm run build.native",
+        "tsc": "npm i && tsc",
+        "build": "npm run tsc",
         "build.native": "node scripts/build-native.js",
-        "postclone": "npm i && node scripts/postclone.js && cd ../demo && npm i && npx rimraf -- package-lock.json && cd ../src",
-        "test.android": "npm run tsc && npm run tslint && cd ../demo && tns build android && tns test android --justlaunch",
-        "test.ios": "npm run tsc && npm run tslint && cd ../demo && tns build ios && tns test ios --justlaunch",
         "tslint": "cd .. && tslint \"**/*.ts\" --config tslint.json --exclude \"**/node_modules/**\" --exclude \"**/platforms/**\"",
         "plugin.tscwatch": "npm run tsc -- -w",
         "demo.ios": "npm i && npm run tsc && cd ../demo && tns run ios --syncAllFiles --emulator",
@@ -31,7 +28,8 @@
         "clean": "npm run demo.reset && npx rimraf -- node_modules package-lock.json && npm i",
         "ci.tslint": "npm i && tslint '**/*.ts' --config '../tslint.json' --exclude '**/node_modules/**' --exclude '**/platforms/**'",
         "ngc": "ngc -p tsconfig.json",
-        "prepack": "npm run ngc && npm run build.native"
+        "prepack": "npm i && npm run ngc && npm run build.native",
+        "pack": "bash ../publish/pack.sh"
     },
     "keywords": [
         "NativeScript",