packages/cli: remove separate tsconfig

packages/cli/bin/backstage-cli

@@ -24,8 +24,10 @@ if (!isLocal || process.env.BACKSTAGE_E2E_CLI_TEST) {
   require('..');
 } else {
   require('ts-node').register({
-    project: path.resolve(__dirname, '../tsconfig.build.json'),
     transpileOnly: true,
+    compilerOptions: {
+      module: 'CommonJS',
+    },
   });
 
   require('../src');

packages/cli/tsconfig.build.json

@@ -1,11 +0,0 @@
-{
-  "extends": "./config/tsconfig.json",
-  "include": ["src"],
-  "exclude": ["**/*.test.*"],
-  "compilerOptions": {
-    "outDir": "dist",
-    "emitDeclarationOnly": false,
-    "removeComments": true,
-    "module": "CommonJS"
-  }
-}