cherry-pick(#39994): Revert "fix(windows): hide console window when spawning browser processes"

Author: Skn0tt

packages/playwright-core/src/server/utils/processLauncher.ts

@@ -136,7 +136,6 @@ export async function launchProcess(options: LaunchProcessOptions): Promise<Laun
     // process group, making it possible to kill child process tree with `.kill(-pid)` command.
     // @see https://nodejs.org/api/child_process.html#child_process_options_detached
     detached: process.platform !== 'win32',
-    windowsHide: true,
     env: options.env,
     cwd: options.cwd,
     shell: options.shell,
@@ -234,7 +233,7 @@ export async function launchProcess(options: LaunchProcessOptions): Promise<Laun
       // Force kill the browser.
       try {
         if (process.platform === 'win32') {
-          const taskkillProcess = childProcess.spawnSync(`taskkill /pid ${spawnedProcess.pid} /T /F`, { shell: true, windowsHide: true });
+          const taskkillProcess = childProcess.spawnSync(`taskkill /pid ${spawnedProcess.pid} /T /F`, { shell: true });
           const [stdout, stderr] = [taskkillProcess.stdout.toString(), taskkillProcess.stderr.toString()];
           if (stdout)
             options.log(`[pid=${spawnedProcess.pid}] taskkill stdout: ${stdout}`);