refactor(i18n): 替换硬编码文本为多语言配置

1.  删除冗余的语言文件 contenr.js
2.  将页面内硬编码字符串替换为$this.lang()调用
3.  整理common.js内的多语言词条，归类移动旧有配置到正确分组

pages_order/public/js/orderMethod.js

@@ -140,8 +140,8 @@ export default {
 				})
 			} else {
 				uni.showModal({
-					title: '提示',
-					content: '您确定已经收到货物了吗？',
+					title: this.$lang('common.tip'),
+					content: this.$lang('order.confirmReceived'),
 					success: res => {
 						if (res.confirm) {
 							this.$api.sendRequest({
@@ -234,8 +234,8 @@ export default {
 				})
 			} else {
 				uni.showModal({
-					title: '提示',
-					content: '您确定要进行收货吗？',
+					title: this.$lang('common.tip'),
+					content: this.$lang('order.confirmTakeDelivery'),
 					success: res => {
 						if (res.confirm) {
 							this.$api.sendRequest({