fix: remove console.log statements from gallery and auth pages

- Remove debug logging from GalleryView component
- Remove console.error statements from auth contexts
- Clean up image loading error logs
- Replace console statements with comments for production security

No sensitive information is now logged to console in production.

frontend/src/components/admin/AdminAuthenticatedImage.tsx

@@ -36,23 +36,7 @@ export const AdminAuthenticatedImage: React.FC<AdminAuthenticatedImageProps> = (
           setLoading(false);
         }
       } catch (err: any) {
-        console.error('Failed to load image:', src, err);
-        // Log more details about the error
-        if (err.response) {
-          console.error('Response status:', err.response.status);
-          console.error('Response headers:', err.response.headers);
-          if (err.response.data instanceof Blob) {
-            // Try to read error message from blob
-            try {
-              const text = await err.response.data.text();
-              console.error('Response data:', text);
-            } catch (e) {
-              console.error('Could not read blob data');
-            }
-          } else {
-            console.error('Response data:', err.response.data);
-          }
-        }
+        // Image loading failed - handled by error state
         if (!cancelled) {
           setError(true);
           setLoading(false);