ESLint config: fix duplicate key & wrong parameter

Author: PawFV

.eslintrc.js

@@ -29,10 +29,9 @@ module.exports = {
     '@typescript-eslint/class-name-casing': 1,
     '@typescript-eslint/no-unused-vars': 0,
     '@typescript-eslint/explicit-function-return-type': 0,
-    '@typescript-eslint/no-var-requires': 0,
     'handle-callback-err': 1,
     'prefer-promise-reject-errors': 0,
-    'import/no-duplicates': ['warning'],
+    'import/no-duplicates': 1,
     'vue/return-in-computed-property': 1,
     'vue/no-use-v-if-with-v-for': 0,
     'vue/no-unused-components': 1,