style: remove redundant box-border utility classes

Remove the unnecessary box-border CSS class from component template class lists across the codebase, cleaning up styling without altering any component functionality.

src/pages/ChatMain/ChatMoreTips/index.vue

@@ -1,7 +1,7 @@
 <template>
   <view class="more-tips bg-white border-box">
     <view class="font-size-0 whitespace-nowrap scroll-x">
-      <view class="more-tips-item box-border inline-block mr-8" v-for="(item, index) in guideWords" :key="index">
+      <view class="more-tips-item inline-block mr-8" v-for="(item, index) in guideWords" :key="index">
         <text :class="['font-500 font-size-12 text-center', `color-${index}`]" @click="sendReply(item)">
           {{ item }}
         </text>