fix(UI): update icons for beta and experimental features EE-5435 (#8940)

app/portainer/components/beta-panel/betaPanel.html

@@ -1,8 +0,0 @@
-<information-panel title-text="Information">
-  <span class="small">
-    <p class="text-muted">
-      <pr-icon icon="'flask-conical'" mode="'warning'"></pr-icon>
-      This is a beta feature.
-    </p>
-  </span>
-</information-panel>

app/portainer/components/beta-panel/betaPanel.js

@@ -1,3 +0,0 @@
-angular.module('portainer.app').component('betaPanel', {
-  templateUrl: './betaPanel.html',
-});

app/portainer/components/theme/theme-settings.html

@@ -4,11 +4,6 @@
     <rd-widget-body>
       <form class="form-horizontal">
         <box-selector radio-name="'theme'" value="$ctrl.state.themeColor" options="$ctrl.state.availableThemes" on-change="($ctrl.setThemeColor)"></box-selector>
-
-        <p class="vertical-center mt-2">
-          <pr-icon icon="'alert-circle'" class-name="'icon-primary'"></pr-icon>
-          <span class="small">Dark and High-contrast theme are experimental. Some UI components might not display properly.</span>
-        </p>
       </form>
     </rd-widget-body>
   </rd-widget>