chore: remove unused StringExtensions.cs (#3037)

Author: mxschmitt

src/tools/Playwright.Tooling/DriverDownloader.cs

@@ -30,7 +30,7 @@
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using System.Xml;
-using Playwright.Tooling.Options;
+using CommandLine;
 
 namespace Playwright.Tooling;
 
@@ -186,3 +186,10 @@ private async Task<bool> ExecuteAsync()
         return true;
     }
 }
+
+[Verb("download-drivers")]
+internal class DownloadDriversOptions
+{
+    [Option(Required = true, HelpText = "Solution path.")]
+    public string BasePath { get; set; }
+}

src/tools/Playwright.Tooling/Extensions/StringExtensions.cs

@@ -24,7 +24,6 @@
 
 using System.Threading.Tasks;
 using CommandLine;
-using Playwright.Tooling.Options;
 
 namespace Playwright.Tooling;