release: remove .npmrc file after release completes

Author: josephperrott

tools/release/publish-release.ts

@@ -1,6 +1,6 @@
 import chalk from 'chalk';
 import {spawnSync} from 'child_process';
-import {readFileSync} from 'fs';
+import {readFileSync, unlinkSync} from 'fs';
 import {join} from 'path';
 import {BaseReleaseTask} from './base-release-task';
 import {checkReleaseOutput} from './check-release-output';
@@ -130,6 +130,9 @@ class PublishReleaseTask extends BaseReleaseTask {
     console.info(chalk.green(chalk.bold(`  ✓   Published all packages successfully`)));
     console.info(chalk.yellow(`  ⚠   Please draft a new release of the version on Github.`));
     console.info(chalk.yellow(`      ${newReleaseUrl}`));
+
+    // Remove file at ~/.npmrc after release is complete.
+    unlinkSync('~/.npmrc');
   }
 
   /**