Remove unneeded imports

Author: corivera

src/dotnet-interactive-vscode-ads/src/versionSpecificFunctions.ts

@@ -3,8 +3,6 @@
 
 import * as vscode from 'vscode';
 import * as azdata from 'azdata';
-import { CompositeKernel } from './vscode-common/dotnet-interactive';
-import * as contracts from './vscode-common/dotnet-interactive/contracts';
 
 export function getNotebookDocumentFromEditor(notebookEditor: vscode.NotebookEditor): vscode.NotebookDocument {
     return notebookEditor.document;

src/dotnet-interactive-vscode-insiders/src/versionSpecificFunctions.ts

@@ -2,7 +2,6 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 
 import * as vscode from 'vscode';
-import { CompositeKernel } from './vscode-common/dotnet-interactive/compositeKernel';
 
 export function getNotebookDocumentFromEditor(notebookEditor: vscode.NotebookEditor): vscode.NotebookDocument {
     return notebookEditor.notebook;

src/dotnet-interactive-vscode/src/versionSpecificFunctions.ts

@@ -2,7 +2,6 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 
 import * as vscode from 'vscode';
-import { CompositeKernel } from './vscode-common/dotnet-interactive/compositeKernel';
 
 export function getNotebookDocumentFromEditor(notebookEditor: vscode.NotebookEditor): vscode.NotebookDocument {
     return notebookEditor.notebook;