Remove quick actions area from dashboard

- Remove the entire Quick Actions section from dashboard.html
- Simplifies dashboard interface to show only stats and recent jobs
- Users can still access features through navbar links

templates/dashboard.html

@@ -45,27 +45,6 @@
             </div>
         </div>
 
-        <div class="quick-actions">
-            <h3 style="margin-bottom: 1rem; color: #1e293b;">Quick Actions</h3>
-            <div class="actions-grid">
-                <a href="/analyze" class="action-btn">
-                    <i class="fas fa-search"></i>
-                    <span>Analyze Media</span>
-                </a>
-                <a href="/train" class="action-btn">
-                    <i class="fas fa-graduation-cap"></i>
-                    <span>Train Model</span>
-                </a>
-                <a href="/history" class="action-btn">
-                    <i class="fas fa-history"></i>
-                    <span>Job History</span>
-                </a>
-                <a href="/settings" class="action-btn">
-                    <i class="fas fa-cog"></i>
-                    <span>Settings</span>
-                </a>
-            </div>
-        </div>
 
         <div class="recent-jobs">
             <h3 style="margin-bottom: 1rem; color: #1e293b;">Recent Jobs</h3>