remove command id from .NET code

Author: jonsequitur

src/Microsoft.DotNet.Interactive.CSharpProject.Tests/SerializationTests.cs

@@ -97,7 +97,6 @@ public void Command_contract_has_not_been_broken(KernelCommand command)
             .UsingExtension($"{command.GetType().Name}.json")
             .SetInteractive(Debugger.IsAttached);
 
-        command.SetId("command-id");
         command.SetToken("the-token");
 
         var json = KernelCommandEnvelope.Serialize(command);
@@ -113,7 +112,6 @@ public void Event_contract_has_not_been_broken(KernelEvent @event)
             .UsingExtension($"{@event.GetType().Name}.json")
             .SetInteractive(Debugger.IsAttached);
 
-        @event.Command?.SetId("command-id");
         @event.Command?.SetToken("the-token");
 
         var json = KernelEventEnvelope.Serialize(@event);

src/Microsoft.DotNet.Interactive.Tests/Connection/SerializationTests.Command_contract_has_not_been_broken.approved.Cancel.json

@@ -1,6 +1,5 @@
 {
   "token": "the-token",
-  "id": "command-id",
   "commandType": "Cancel",
   "command": {
     "targetKernelName": "csharp",

src/Microsoft.DotNet.Interactive.Tests/Connection/SerializationTests.Command_contract_has_not_been_broken.approved.ChangeWorkingDirectory.json

@@ -1,6 +1,5 @@
 {
   "token": "the-token",
-  "id": "command-id",
   "commandType": "ChangeWorkingDirectory",
   "command": {
     "workingDirectory": "/path/to/somewhere",

src/Microsoft.DotNet.Interactive.Tests/Connection/SerializationTests.Command_contract_has_not_been_broken.approved.DisplayError.json

@@ -1,6 +1,5 @@
 {
   "token": "the-token",
-  "id": "command-id",
   "commandType": "DisplayError",
   "command": {
     "message": "oops!",

src/Microsoft.DotNet.Interactive.Tests/Connection/SerializationTests.Command_contract_has_not_been_broken.approved.DisplayValue.json

@@ -1,6 +1,5 @@
 {
   "token": "the-token",
-  "id": "command-id",
   "commandType": "DisplayValue",
   "command": {
     "formattedValue": {

src/Microsoft.DotNet.Interactive.Tests/Connection/SerializationTests.Command_contract_has_not_been_broken.approved.Quit.json

@@ -1,6 +1,5 @@
 {
   "token": "the-token",
-  "id": "command-id",
   "commandType": "Quit",
   "command": {
     "targetKernelName": null,

src/Microsoft.DotNet.Interactive.Tests/Connection/SerializationTests.Command_contract_has_not_been_broken.approved.RequestCompletions.json

@@ -1,6 +1,5 @@
 {
   "token": "the-token",
-  "id": "command-id",
   "commandType": "RequestCompletions",
   "command": {
     "code": "Cons",

src/Microsoft.DotNet.Interactive.Tests/Connection/SerializationTests.Command_contract_has_not_been_broken.approved.RequestDiagnostics.json

@@ -1,6 +1,5 @@
 {
   "token": "the-token",
-  "id": "command-id",
   "commandType": "RequestDiagnostics",
   "command": {
     "code": "the-code",

src/Microsoft.DotNet.Interactive.Tests/Connection/SerializationTests.Command_contract_has_not_been_broken.approved.RequestHoverText.json

@@ -1,6 +1,5 @@
 {
   "token": "the-token",
-  "id": "command-id",
   "commandType": "RequestHoverText",
   "command": {
     "code": "document-contents",

src/Microsoft.DotNet.Interactive.Tests/Connection/SerializationTests.Command_contract_has_not_been_broken.approved.RequestInput.json

@@ -1,6 +1,5 @@
 {
   "token": "the-token",
-  "id": "command-id",
   "commandType": "RequestInput",
   "command": {
     "prompt": "provide answer",