Remove PositronNotebookService and its references from the codebase

Author: nstrayer

src/vs/workbench/contrib/positronNotebook/browser/PositronNotebookInstance.ts

@@ -24,7 +24,6 @@ import * as DOM from '../../../../base/browser/dom.js';
 import { IPositronNotebookCell } from './PositronNotebookCells/IPositronNotebookCell.js';
 import { getSelectedCell, getSelectedCells, SelectionState, SelectionStateMachine } from '../../../contrib/positronNotebook/browser/selectionMachine.js';
 import { PositronNotebookContextKeyManager } from './ContextKeysManager.js';
-import { IPositronNotebookService } from './positronNotebookService.js';
 import { IPositronNotebookInstance, KernelStatus } from './IPositronNotebookInstance.js';
 import { NotebookCellTextModel } from '../../notebook/common/model/notebookCellTextModel.js';
 import { ICommandService } from '../../../../platform/commands/common/commands.js';
@@ -311,7 +310,6 @@ export class PositronNotebookInstance extends Disposable implements IPositronNot
 		@IInstantiationService private readonly _instantiationService: IInstantiationService,
 		@IContextKeyService private readonly _contextKeyService: IContextKeyService,
 		@ILogService private readonly _logService: ILogService,
-		@IPositronNotebookService private readonly _positronNotebookService: IPositronNotebookService,
 		@IPositronConsoleService private readonly _positronConsoleService: IPositronConsoleService,
 		@IPositronWebviewPreloadService private readonly _webviewPreloadService: IPositronWebviewPreloadService,
 		@IClipboardService private readonly _clipboardService: IClipboardService,
@@ -365,7 +363,6 @@ export class PositronNotebookInstance extends Disposable implements IPositronNot
 		this.contextManager = this._register(
 			this._instantiationService.createInstance(PositronNotebookContextKeyManager)
 		);
-		this._positronNotebookService.registerInstance(this);
 
 		this.selectionStateMachine = this._register(
 			this._instantiationService.createInstance(SelectionStateMachine, this.cells)
@@ -390,7 +387,6 @@ export class PositronNotebookInstance extends Disposable implements IPositronNot
 	override dispose() {
 
 		this._logService.info(this.id, 'dispose');
-		this._positronNotebookService.unregisterInstance(this);
 		// Remove from the instance map
 		PositronNotebookInstance._instanceMap.delete(this.uri);
 

src/vs/workbench/contrib/positronNotebook/browser/positronNotebookService.ts

@@ -19,7 +19,6 @@ import { INotebookExecutionService } from '../../../notebook/common/notebookExec
 import { INotebookExecutionStateService } from '../../../notebook/common/notebookExecutionStateService.js';
 import { ICommandService } from '../../../../../platform/commands/common/commands.js';
 import { IRuntimeSessionService } from '../../../../services/runtimeSession/common/runtimeSessionService.js';
-import { IPositronNotebookService } from '../../browser/positronNotebookService.js';
 import { IPositronWebviewPreloadService } from '../../../../services/positronWebviewPreloads/browser/positronWebviewPreloadService.js';
 import { Event } from '../../../../../base/common/event.js';
 
@@ -95,14 +94,6 @@ export async function createPositronNotebookTestServices(disposables: Disposable
 	};
 	instantiationService.stub(INotebookEditorModelResolverService, mockModelResolverService);
 
-	// Mock Positron notebook service
-	const mockPositronNotebookService = {
-		registerInstance: () => { },
-		unregisterInstance: () => { },
-		getNotebookInstance: () => undefined
-	};
-	instantiationService.stub(IPositronNotebookService, mockPositronNotebookService);
-
 	// Mock additional services required by PositronNotebookInstance
 	const mockNotebookKernelService = {
 		onDidChangeSelectedNotebooks: Event.None,