Remove EXPERIMENTAL API notice on C# interceptor API
diff --git a/src/csharp/Grpc.Core/Interceptors/CallInvokerExtensions.cs b/src/csharp/Grpc.Core/Interceptors/CallInvokerExtensions.cs
index 421b5d3..39c24d0 100644
--- a/src/csharp/Grpc.Core/Interceptors/CallInvokerExtensions.cs
+++ b/src/csharp/Grpc.Core/Interceptors/CallInvokerExtensions.cs
@@ -24,7 +24,6 @@
 {
     /// <summary>
     /// Extends the CallInvoker class to provide the interceptor facility on the client side.
-    /// This is an EXPERIMENTAL API.
     /// </summary>
     public static class CallInvokerExtensions
     {
diff --git a/src/csharp/Grpc.Core/Interceptors/ChannelExtensions.cs b/src/csharp/Grpc.Core/Interceptors/ChannelExtensions.cs
index 00b2fa8..c7d0c24 100644
--- a/src/csharp/Grpc.Core/Interceptors/ChannelExtensions.cs
+++ b/src/csharp/Grpc.Core/Interceptors/ChannelExtensions.cs
@@ -22,7 +22,6 @@
 {
     /// <summary>
     /// Provides extension methods to make it easy to register interceptors on Channel objects.
-    /// This is an EXPERIMENTAL API.
     /// </summary>
     public static class ChannelExtensions
     {
diff --git a/src/csharp/Grpc.Core/Interceptors/ClientInterceptorContext.cs b/src/csharp/Grpc.Core/Interceptors/ClientInterceptorContext.cs
index de06a77..4665fc5 100644
--- a/src/csharp/Grpc.Core/Interceptors/ClientInterceptorContext.cs
+++ b/src/csharp/Grpc.Core/Interceptors/ClientInterceptorContext.cs
@@ -25,7 +25,6 @@
 {
     /// <summary>
     /// Carries along the context associated with intercepted invocations on the client side.
-    /// This is an EXPERIMENTAL API.
     /// </summary>
     public struct ClientInterceptorContext<TRequest, TResponse>
         where TRequest : class
diff --git a/src/csharp/Grpc.Core/Interceptors/Interceptor.cs b/src/csharp/Grpc.Core/Interceptors/Interceptor.cs
index 56a30c3..ab70803 100644
--- a/src/csharp/Grpc.Core/Interceptors/Interceptor.cs
+++ b/src/csharp/Grpc.Core/Interceptors/Interceptor.cs
@@ -25,7 +25,6 @@
 {
     /// <summary>
     /// Serves as the base class for gRPC interceptors.
-    /// This is an EXPERIMENTAL API.
     /// </summary>
     public abstract class Interceptor
     {
diff --git a/src/csharp/Grpc.Core/Interceptors/ServerServiceDefinitionExtensions.cs b/src/csharp/Grpc.Core/Interceptors/ServerServiceDefinitionExtensions.cs
index b9b5324..8987544 100644
--- a/src/csharp/Grpc.Core/Interceptors/ServerServiceDefinitionExtensions.cs
+++ b/src/csharp/Grpc.Core/Interceptors/ServerServiceDefinitionExtensions.cs
@@ -24,14 +24,12 @@
 {
     /// <summary>
     /// Extends the ServerServiceDefinition class to add methods used to register interceptors on the server side.
-    /// This is an EXPERIMENTAL API.
     /// </summary>
     public static class ServerServiceDefinitionExtensions
     {
         /// <summary>
         /// Returns a <see cref="Grpc.Core.ServerServiceDefinition" /> instance that
         /// intercepts incoming calls to the underlying service handler through the given interceptor.
-        /// This is an EXPERIMENTAL API.
         /// </summary>
         /// <param name="serverServiceDefinition">The <see cref="Grpc.Core.ServerServiceDefinition" /> instance to register interceptors on.</param>
         /// <param name="interceptor">The interceptor to intercept the incoming invocations with.</param>
@@ -52,7 +50,6 @@
         /// <summary>
         /// Returns a <see cref="Grpc.Core.ServerServiceDefinition" /> instance that
         /// intercepts incoming calls to the underlying service handler through the given interceptors.
-        /// This is an EXPERIMENTAL API.
         /// </summary>
         /// <param name="serverServiceDefinition">The <see cref="Grpc.Core.ServerServiceDefinition" /> instance to register interceptors on.</param>
         /// <param name="interceptors">