fix: remove obsolete vscode plugin settings

- eslint.packageManager => not necessary
- volar and vetor => obsolete

.vscode/settings.json

@@ -2,7 +2,6 @@
     "go.testEnvVars": {
         "VIKUNJA_SERVICE_ROOTPATH": "${workspaceRoot}"
     },
-    "eslint.packageManager": "pnpm",
     "editor.formatOnSave": false,
     "editor.codeActionsOnSave": {
         "source.fixAll": "explicit"
@@ -22,11 +21,6 @@
         "vue"
     ],
 
-    "volar.completion.preferredTagNameCase": "pascal",
-
-    // disable vetur in case it is installed
-    "vetur.validation.template": false,
-
     // i18n ally
     "i18n-ally.localesPaths": [
         "src/i18n/lang"