remove vitest coverage

Author: JulienChampagnol

package.json

@@ -10,7 +10,6 @@
     "@nuxt/test-utils": "^3.15.1",
     "@pinia/testing": "^0.1.7",
     "@vitejs/plugin-vue": "^5.2.1",
-    "@vitest/coverage-v8": "^1.6.0",
     "@vue/test-utils": "^2.4.6",
     "eslint": "^8.57.0",
     "eslint-plugin-import": "^2.29.1",