chore: deleted unused file

Author: posva

packages/pinia/src/index.ts

@@ -76,6 +76,4 @@ export type {
 
 export { acceptHMRUpdate } from './hmr'
 
-export { PiniaVuePlugin } from './vue2-plugin'
-
 export * from './globalExtensions'

packages/pinia/src/vue2-plugin.ts

@@ -54,7 +54,6 @@ export default defineConfig({
         '**/src/index.ts',
         '**/*.test-d.ts',
         'packages/pinia/src/devtools',
-        'packages/pinia/src/vue2-plugin.ts',
         'packages/pinia/src/hmr.ts',
       ],
     },