修复appTheme报错

core/mixins/app.js

@@ -3,33 +3,12 @@ import { mapGetters } from 'vuex'
 import store from '@/store/index'
 import platform from '@/core/platform'
 
-// 字符串驼峰转中划线
-const formatToLine = value => {
-  return value.replace(/([A-Z])/g, '-$1').toLowerCase()
-}
-
-// 主题样式 (因小程序端不支持styleObject语法，所以需要转换成字符串)
-const appTheme2Str = appTheme => {
-  let str = ''
-  for (const index in appTheme) {
-    const name = formatToLine(index)
-    str += `--${name}:${appTheme[index]};`
-  }
-  return str
-}
-
 export default {
   data() {
     return {
       platform
     }
   },
-  computed: {
-    ...mapGetters(['appTheme']),
-    appThemeStyle() {
-      const appTheme = store.getters.appTheme
-      return appTheme2Str(appTheme)
-    }
-  }
+  computed: {}
 
 }