removed unneeded code

Author: david-driscoll

src/Testing/LanguageProtocolTestBase.cs

@@ -98,7 +98,7 @@ Action<LanguageServerOptions> serverOptionsAction
             var (client, server) = Create(
                 options => {
                     clientOptionsAction.Invoke(options);
-                    options.WithCapability(new DidChangeConfigurationCapability() {  DynamicRegistration = true});
+                    options.WithCapability(new DidChangeConfigurationCapability());
                     options.Services.AddSingleton<TestConfigurationProvider>();
                 }, serverOptionsAction
             );

src/Testing/LanguageServerTestBase.cs

@@ -63,7 +63,7 @@ protected virtual async Task<ILanguageClient> InitializeClient(Action<LanguageCl
             var client = CreateClient(
                 options => {
                     clientOptionsAction?.Invoke(options);
-                    options.WithCapability(new DidChangeConfigurationCapability() {  DynamicRegistration = true});
+                    options.WithCapability(new DidChangeConfigurationCapability());
                     options.Services.AddSingleton<TestConfigurationProvider>();
                 }
             );