chore(timepicker): remove inline style

- Remove inline style due to style being present in CSS

Closes #5751

template/timepicker/timepicker.html

@@ -10,15 +10,15 @@
     </tr>
     <tr>
       <td class="form-group uib-time hours" ng-class="{'has-error': invalidHours}">
-        <input style="width:50px;" type="text" placeholder="HH" ng-model="hours" ng-change="updateHours()" class="form-control text-center" ng-readonly="::readonlyInput" maxlength="2" tabindex="{{::tabindex}}" ng-disabled="noIncrementHours()" ng-blur="blur()">
+        <input type="text" placeholder="HH" ng-model="hours" ng-change="updateHours()" class="form-control text-center" ng-readonly="::readonlyInput" maxlength="2" tabindex="{{::tabindex}}" ng-disabled="noIncrementHours()" ng-blur="blur()">
       </td>
       <td class="uib-separator">:</td>
       <td class="form-group uib-time minutes" ng-class="{'has-error': invalidMinutes}">
-        <input style="width:50px;" type="text" placeholder="MM" ng-model="minutes" ng-change="updateMinutes()" class="form-control text-center" ng-readonly="::readonlyInput" maxlength="2" tabindex="{{::tabindex}}" ng-disabled="noIncrementMinutes()" ng-blur="blur()">
+        <input type="text" placeholder="MM" ng-model="minutes" ng-change="updateMinutes()" class="form-control text-center" ng-readonly="::readonlyInput" maxlength="2" tabindex="{{::tabindex}}" ng-disabled="noIncrementMinutes()" ng-blur="blur()">
       </td>
       <td ng-show="showSeconds" class="uib-separator">:</td>
       <td class="form-group uib-time seconds" ng-class="{'has-error': invalidSeconds}" ng-show="showSeconds">
-        <input style="width:50px;" type="text" placeholder="SS" ng-model="seconds" ng-change="updateSeconds()" class="form-control text-center" ng-readonly="readonlyInput" maxlength="2" tabindex="{{::tabindex}}" ng-disabled="noIncrementSeconds()" ng-blur="blur()">
+        <input type="text" placeholder="SS" ng-model="seconds" ng-change="updateSeconds()" class="form-control text-center" ng-readonly="readonlyInput" maxlength="2" tabindex="{{::tabindex}}" ng-disabled="noIncrementSeconds()" ng-blur="blur()">
       </td>
       <td ng-show="showMeridian" class="uib-time am-pm"><button type="button" ng-class="{disabled: noToggleMeridian()}" class="btn btn-default text-center" ng-click="toggleMeridian()" ng-disabled="noToggleMeridian()" tabindex="{{::tabindex}}">{{meridian}}</button></td>
     </tr>