fix(nuxt): Remove build config from tsconfig (#14735)

Because this config was added to the `includes`, the types were moved to
a subdirectory.
fixes #14732

Author: s1gr1d

packages/nuxt/tsconfig.types.json

@@ -1,6 +1,6 @@
 {
   "extends": "./tsconfig.json",
-
+  "exclude": ["build.config.ts"],
   "compilerOptions": {
     "declaration": true,
     "declarationMap": true,