Toolkit: Remove deprecated plugin:build (#67485)

Co-authored-by: Jack Westbrook <jack.westbrook@gmail.com>

plugins-bundled/internal/input-datasource/package.json

@@ -14,6 +14,7 @@
   },
   "author": "Grafana Labs",
   "devDependencies": {
+    "@grafana/tsconfig": "^1.2.0-rc1",
     "@types/jest": "26.0.15",
     "@types/react": "18.0.28",
     "copy-webpack-plugin": "11.0.0",

plugins-bundled/internal/input-datasource/tsconfig.json

@@ -1,7 +1,8 @@
 {
-  "extends": "../../../packages/grafana-toolkit/src/config/tsconfig.plugin.json",
+  "extends": "@grafana/tsconfig",
   "include": ["src", "types"],
   "compilerOptions": {
+    "declaration": false,
     "rootDir": "./src",
     "baseUrl": "./src"
   },