remove uglify package

Author: Charlie Kassel

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "vuejs-datepicker",
-  "version": "1.6.0",
+  "version": "1.6.1",
   "description": "A simple Vue.js datepicker component. Supports disabling of dates, inline mode, translations",
   "keywords": [
     "vue",
@@ -82,7 +82,6 @@
     "rollup-plugin-replace": "^2.0.0",
     "rollup-plugin-serve": "^1.0.1",
     "rollup-plugin-terser": "^5.0.0",
-    "rollup-plugin-uglify": "^6.0.2",
     "rollup-plugin-vue": "^5.0.0",
     "semver": "^5.3.0",
     "shelljs": "^0.8.3",