Remove obsolete UnitTesting external access APIs

src/Workspaces/Core/Portable/ExternalAccess/UnitTesting/Api/UnitTestingInvocationReasonsWrapper.cs

@@ -32,15 +32,8 @@ internal readonly struct UnitTestingInvocationReasonsWrapper
         internal UnitTestingInvocationReasonsWrapper(InvocationReasons underlyingObject)
             => UnderlyingObject = underlyingObject;
 
-        public UnitTestingInvocationReasonsWrapper(string reason) : this(new InvocationReasons(reason)) { }
-
-        [Obsolete]
-        public bool Contains(string reason)
-            => UnderlyingObject.Contains(reason);
-
-        [Obsolete]
-        public UnitTestingInvocationReasonsWrapper With(string reason)
-            => new UnitTestingInvocationReasonsWrapper(UnderlyingObject.With(reason));
+        public UnitTestingInvocationReasonsWrapper(string reason)
+            : this(new InvocationReasons(reason)) { }
 
         public UnitTestingInvocationReasonsWrapper With(UnitTestingInvocationReasonsWrapper reason)
             => new UnitTestingInvocationReasonsWrapper(reason.UnderlyingObject.With(UnderlyingObject));

src/Workspaces/Core/Portable/ExternalAccess/UnitTesting/Api/UnitTestingRemoteHostClientWrapper.cs

@@ -37,35 +37,6 @@ public async Task<Optional<T>> TryRunRemoteAsync<T>(UnitTestingServiceHubService
         public async Task<UnitTestingRemoteServiceConnectionWrapper> CreateConnectionAsync(UnitTestingServiceHubService service, object? callbackTarget, CancellationToken cancellationToken)
             => new UnitTestingRemoteServiceConnectionWrapper(await UnderlyingObject!.CreateConnectionAsync((WellKnownServiceHubService)service, callbackTarget, cancellationToken).ConfigureAwait(false));
 
-        [Obsolete]
-        public async Task<UnitTestingKeepAliveSessionWrapper> TryCreateUnitTestingKeepAliveSessionWrapperAsync(string serviceName, CancellationToken cancellationToken)
-        {
-            var connection = await UnderlyingObject!.CreateConnectionAsync(new RemoteServiceName(serviceName), callbackTarget: null, cancellationToken).ConfigureAwait(false);
-            return new UnitTestingKeepAliveSessionWrapper(connection);
-        }
-
-        [Obsolete]
-        public async Task<UnitTestingSessionWithSolutionWrapper> TryCreateUnitingSessionWithSolutionWrapperAsync(string serviceName, Solution solution, CancellationToken cancellationToken)
-        {
-            var connection = await UnderlyingObject!.CreateConnectionAsync(new RemoteServiceName(serviceName), callbackTarget: null, cancellationToken).ConfigureAwait(false);
-
-            SessionWithSolution? session = null;
-            try
-            {
-                // transfer ownership of the connection to the session object:
-                session = await SessionWithSolution.CreateAsync(connection, solution, cancellationToken).ConfigureAwait(false);
-            }
-            finally
-            {
-                if (session == null)
-                {
-                    connection.Dispose();
-                }
-            }
-
-            return new UnitTestingSessionWithSolutionWrapper(session);
-        }
-
         [Obsolete]
         public event EventHandler<bool> StatusChanged
         {

src/Workspaces/Core/Portable/ExternalAccess/UnitTesting/Api/UnitTestingSolutionExtensions.cs

@@ -17,9 +17,5 @@ public static int GetWorkspaceVersion(this Solution solution)
 
         public static async Task<UnitTestingChecksumWrapper> GetChecksumAsync(this Solution solution, CancellationToken cancellationToken)
             => new UnitTestingChecksumWrapper(await solution.State.GetChecksumAsync(cancellationToken).ConfigureAwait(false));
-
-        [Obsolete("Use GetChecksumAsync instead")]
-        public static UnitTestingSolutionStateWrapper GetState(this Solution solution)
-            => new UnitTestingSolutionStateWrapper(solution.State);
     }
 }

src/Workspaces/Core/Portable/ExternalAccess/UnitTesting/Api/UnitTestingSymbolExtensions.cs

@@ -11,10 +11,6 @@ namespace Microsoft.CodeAnalysis.ExternalAccess.UnitTesting.Api
 {
     internal static class UnitTestingSymbolExtensions
     {
-        [Obsolete("Use GetSymbolKeyString instead")]
-        public static UnitTestingSymbolKeyWrapper GetSymbolKey(this ISymbol symbol, CancellationToken cancellationToken)
-            => new UnitTestingSymbolKeyWrapper(SymbolKeyExtensions.GetSymbolKey(symbol, cancellationToken));
-
         public static string GetSymbolKeyString(this ISymbol symbol, CancellationToken cancellationToken)
             => SymbolKey.Create(symbol, cancellationToken).ToString();