fix(ngx-material-pages): removed duplicated dependencies under dev

Author: AnthonyNahas

package.json

@@ -44,13 +44,10 @@
     "@angular/material": "^5.2.4"
   },
   "devDependencies": {
-    "@angular/animations": "^5.2.9",
-    "@angular/cdk": "^5.2.4",
     "@angular/compiler": "^5.2.9",
     "@angular/compiler-cli": "^5.2.9",
     "@angular/flex-layout": "^5.0.0-beta.14",
     "@angular/forms": "^5.2.9",
-    "@angular/material": "^5.2.4",
     "@angular/platform-browser": "^5.2.9",
     "@angular/platform-browser-dynamic": "^5.2.9",
     "@angular/platform-server": "^5.2.9",