Fix: move component-name-in-template-casing rule to uncategorized (#703)

Author: mysticatea

lib/rules/component-name-in-template-casing.js

@@ -23,7 +23,7 @@ module.exports = {
     type: 'suggestion',
     docs: {
       description: 'enforce specific casing for the component naming style in template',
-      category: 'strongly-recommended',
+      category: undefined,
       url: 'https://github.com/vuejs/eslint-plugin-vue/blob/v5.0.0/docs/rules/component-name-in-template-casing.md'
     },
     fixable: 'code',