sessions: Remove duplicate workspace setting imports

Keep the upstream import placements after merging #334677, removing duplicate-identifier compilation errors from the provider and its tests.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: TylerLeonhardt

src/vs/sessions/contrib/providers/copilotChatSessions/browser/copilotChatSessionsProvider.ts

@@ -30,7 +30,6 @@ import { ChatAgentLocation, ChatConfiguration, ChatModeKind, ChatPermissionLevel
 import { basename, dirname, isEqual } from '../../../../../base/common/resources.js';
 import { IDeleteChatOptions, ISendRequestOptions, ISessionChangeEvent, ISessionModelPickerOptions, ISessionModelsSnapshot, ISessionsProvider } from '../../../../services/sessions/common/sessionsProvider.js';
 import { ISessionOptionGroup } from '../../../chat/browser/newSession.js';
-import { UNIFIED_WORKSPACE_PICKER_SETTING } from '../../../chat/common/constants.js';
 import { ILanguageModelToolsService } from '../../../../../workbench/contrib/chat/common/tools/languageModelToolsService.js';
 import { ChatMode, IChatMode, IChatModeService, isBuiltinChatMode } from '../../../../../workbench/contrib/chat/common/chatModes.js';
 import { CancellationToken, CancellationTokenSource } from '../../../../../base/common/cancellation.js';

src/vs/sessions/contrib/providers/copilotChatSessions/test/browser/copilotChatSessionsProvider.test.ts

@@ -56,7 +56,6 @@ import { extUri } from '../../../../../../base/common/resources.js';
 import { CopilotCLISessionType } from '../../../agentHost/browser/baseAgentHostSessionsProvider.js';
 import { IAgentHostEnablementService } from '../../../../../../platform/agentHost/common/agentHostEnablementService.js';
 import { MockContextKeyService } from '../../../../../../platform/keybinding/test/common/mockKeybindingService.js';
-import { UNIFIED_WORKSPACE_PICKER_SETTING } from '../../../../chat/common/constants.js';
 import { IGitHubService } from '../../../../github/browser/githubService.js';
 import { GitHubPullRequestModel } from '../../../../github/browser/models/githubPullRequestModel.js';
 import { IPullRequestIconCache } from '../../../../github/browser/pullRequestIconCache.js';