Remove explore mode chips from MainNavigation

app/components/navigation/MainNavigation.vue

@@ -128,27 +128,6 @@
               />
             </div>
           </div>
-
-          <!-- Chips below (with colored circle icons) -->
-          <div
-            v-if="availableChips?.length"
-            class="flex items-center justify-center gap-2"
-          >
-            <button
-              v-for="chip in availableChips"
-              :key="chip.type"
-              class="flex items-center gap-1.5 px-3 py-1 rounded-full text-sm bg-white/60 text-base-content/80 hover:bg-white/80 hover:text-base-content transition-colors"
-              @click="$emit('start-select', chip.type)"
-            >
-              <span
-                class="w-5 h-5 rounded-full flex items-center justify-center flex-shrink-0"
-                :style="{ backgroundColor: getTokenColor(chip.type) }"
-              >
-                <Icon :name="getTokenIcon(chip.type)" size="12" class="text-white" />
-              </span>
-              {{ chip.label }}
-            </button>
-          </div>
         </template>
       </div>