[Eslint] Update arrow-parens to as-needed

config/lint/eslint.config.mjs

@@ -2,7 +2,6 @@ import vue from 'eslint-plugin-vue';
 import eslint from '@eslint/js';
 import typescript from '@typescript-eslint/eslint-plugin';
 import stylistic from '@stylistic/eslint-plugin';
-import parserTs from '@typescript-eslint/parser';
 import tseslint from 'typescript-eslint';
 
 const style = {
@@ -16,7 +15,7 @@ const style = {
         '@stylistic/array-bracket-newline': ['error', { 'multiline': true, 'minItems': 4 }],
         '@stylistic/array-bracket-spacing': ['error', 'always'],
         '@stylistic/array-element-newline': ['error', { 'multiline': true, 'minItems': 4 }],
-        '@stylistic/arrow-parens': ['error', 'always'],
+        '@stylistic/arrow-parens': ['error', 'as-needed'],
         '@stylistic/arrow-spacing': ['error', { 'before': true, 'after': true }],
         '@stylistic/block-spacing': ['error', 'always'],
         '@stylistic/brace-style': ['error', '1tbs'],