Remove duplicate admin-only Gemini option, keep only disabled coming-soon version

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: JihaoXin

ark/webapp/static/app.html

@@ -771,10 +771,6 @@ <h2 style="margin:0" data-i18n="hero_title">Build your next paper with ARK</h2>
                 <input type="radio" name="model" value="claude-haiku-4-5" />
                 <span class="model-chip">Haiku 4.5</span>
               </label>
-              <label class="model-option model-option-admin" title="Admin only" style="display:none">
-                <input type="radio" name="model" value="gemini" />
-                <span class="model-chip">Gemini</span>
-              </label>
               <label class="model-option" style="opacity:.45;pointer-events:none" title="Coming soon">
                 <input type="radio" name="model" value="gemini" disabled />
                 <span class="model-chip">Gemini</span>
@@ -974,7 +970,6 @@ <h3 data-i18n="continue_project">Continue Project</h3>
           <label class="model-option"><input type="radio" name="continue-model" value="claude-sonnet-4-6" checked /><span class="model-chip">Sonnet 4.6</span></label>
           <label class="model-option continue-model-admin" style="display:none"><input type="radio" name="continue-model" value="claude-opus-4-6" /><span class="model-chip">Opus 4.6</span></label>
           <label class="model-option continue-model-admin" style="display:none"><input type="radio" name="continue-model" value="claude-haiku-4-5" /><span class="model-chip">Haiku 4.5</span></label>
-          <label class="model-option continue-model-admin" style="display:none"><input type="radio" name="continue-model" value="gemini" /><span class="model-chip">Gemini</span></label>
           <label class="model-option" style="opacity:.45;pointer-events:none" title="Coming soon"><input type="radio" name="continue-model" value="gemini" disabled /><span class="model-chip">Gemini</span></label>
           <label class="model-option" style="opacity:.45;pointer-events:none" title="Coming soon"><input type="radio" name="continue-model" value="gpt" disabled /><span class="model-chip">GPT</span></label>
         </div>
@@ -1024,7 +1019,6 @@ <h3>Restart Project</h3>
         <label class="model-option"><input type="radio" name="restart-model" value="claude-sonnet-4-6" checked /><span class="model-chip">Sonnet 4.6</span></label>
         <label class="model-option restart-model-admin" style="display:none"><input type="radio" name="restart-model" value="claude-opus-4-6" /><span class="model-chip">Opus 4.6</span></label>
         <label class="model-option restart-model-admin" style="display:none"><input type="radio" name="restart-model" value="claude-haiku-4-5" /><span class="model-chip">Haiku 4.5</span></label>
-        <label class="model-option restart-model-admin" style="display:none"><input type="radio" name="restart-model" value="gemini" /><span class="model-chip">Gemini</span></label>
         <label class="model-option" style="opacity:.45;pointer-events:none" title="Coming soon"><input type="radio" name="restart-model" value="gemini" disabled /><span class="model-chip">Gemini</span></label>
         <label class="model-option" style="opacity:.45;pointer-events:none" title="Coming soon"><input type="radio" name="restart-model" value="gpt" disabled /><span class="model-chip">GPT</span></label>
       </div>