Remove redundant puppeteer download.

tests/visual-regression/run-tests.js

@@ -1,18 +1,10 @@
 const dotenv = require( 'dotenv' );
 const dotenv_expand = require( 'dotenv-expand' );
-const { sync: spawn } = require( 'cross-spawn' );
 const { execSync } = require( 'child_process' );
 
 // WP_BASE_URL interpolates LOCAL_PORT, so needs to be parsed by dotenv_expand().
 dotenv_expand( dotenv.config() );
 
-const result = spawn( 'node', [ require.resolve( 'puppeteer/install' ) ], {
-	stdio: 'inherit',
-} );
-if ( result.status > 0 ) {
-	process.exit( result.status );
-}
-
 // Run the tests, passing additional arguments through to the test script.
 execSync(
 	'wp-scripts test-e2e --config tests/visual-regression/jest.config.js ' +