remove note on memory/swap split

src/views/app.html

@@ -709,7 +709,6 @@
             <form role="form" name="resourcesForm" ng-submit="resources.submitMemoryLimit()" autocomplete="off">
               <div class="form-group">
                 <label class="control-label" for="memoryLimit">{{ 'app.resources.memory.title' | tr }} <sup><a ng-href="https://docs.cloudron.io/apps/#memory-limit" class="help" target="_blank"><i class="fa fa-question-circle"></i></a></sup> : <b>{{ resources.memoryLimit | prettyByteSize:'Default (256 MB)' }}</b></label>
-                <p>{{ 'app.resources.memory.description' | tr }}</p>
                 <div style="padding: 0 10px;">
                   <slider id="memoryLimit" ng-model="resources.memoryLimit" step="134217728" tooltip="hide" ticks="resources.memoryTicks" ticks-snap-bounds="67108864"></slider>
                 </div>