refactor(compiler-core): remove unnecessary arg in cached handler codegen

packages/compiler-core/__tests__/transforms/__snapshots__/hoistStatic.spec.ts.snap

@@ -209,7 +209,7 @@ export function render(_ctx, _cache) {
   return (_openBlock(), _createBlock(\\"div\\", null, [
     _createVNode(\\"div\\", null, [
       _createVNode(\\"div\\", {
-        onClick: _cache[1] || (_cache[1] = ($event, ...args) => (_ctx.foo($event, ...args)))
+        onClick: _cache[1] || (_cache[1] = (...args) => (_ctx.foo(...args)))
       })
     ])
   ]))

packages/compiler-core/__tests__/transforms/vOn.spec.ts

@@ -400,11 +400,7 @@ describe('compiler: transform v-on', () => {
         index: 1,
         value: {
           type: NodeTypes.COMPOUND_EXPRESSION,
-          children: [
-            `($event, ...args) => (`,
-            { content: `_ctx.foo($event, ...args)` },
-            `)`
-          ]
+          children: [`(...args) => (`, { content: `_ctx.foo(...args)` }, `)`]
         }
       })
     })