docs(limitTo): fixed incorrect field type

There is no such thing as [type=integer] only number

Closes angular#9591

Author: jimmywarting

src/ng/filter/limitTo.js

@@ -38,7 +38,7 @@
          <p>Output numbers: {{ numbers | limitTo:numLimit }}</p>
          Limit {{letters}} to: <input type="number" step="1" ng-model="letterLimit">
          <p>Output letters: {{ letters | limitTo:letterLimit }}</p>
-         Limit {{longNumber}} to: <input type="integer" ng-model="longNumberLimit">
+         Limit {{longNumber}} to: <input type="number" step="1" ng-model="longNumberLimit">
          <p>Output long number: {{ longNumber | limitTo:longNumberLimit }}</p>
        </div>
      </file>