src/vs/workbench/services/extensionManagement/browser/extensionEnablementService.ts/ExtensionEnablementService/_removeFromWorkspaceDisabledExtensions
class ExtensionEnablementService:	private async _removeFromWorkspaceDisabledExtensions(identifier: IExtensionIdentifier): Promise<boolean> {
		if (!this.hasWorkspace) {
			return false;
		}
		let disabledExtensions = this._getWorkspaceDisabledExtensions();
		for (let index = 0; index < disabledExtensions.length; index++) {
			const disabledExtension = disabledExtensions[index];
			if (areSameExtensions(disabledExtension, identifier)) {
				disabledExtensions.splice(index, 1);
				this._setDisabledExtensions(disabledExtensions);
				return true;
			}
		}
		return false;
	}