InfluxDB data source: Removed 'required' attribute from User/Password (#5820)

public/app/plugins/datasource/influxdb/partials/config.html

@@ -14,11 +14,11 @@
 	<div class="gf-form-inline">
 		<div class="gf-form max-width-15">
 			<span class="gf-form-label width-7">User</span>
-			<input type="text" class="gf-form-input" ng-model='ctrl.current.user' placeholder="" required></input>
+			<input type="text" class="gf-form-input" ng-model='ctrl.current.user' placeholder=""></input>
 		</div>
 		<div class="gf-form max-width-15">
 			<span class="gf-form-label width-7">Password</span>
-			<input type="password" class="gf-form-input" ng-model='ctrl.current.password' placeholder="" required></input>
+			<input type="password" class="gf-form-input" ng-model='ctrl.current.password' placeholder=""></input>
 		</div>
 	</div>
 </div>