cleanup layout priorites

src/vs/workbench/browser/parts/panel/panelPart.ts

@@ -32,7 +32,6 @@ import { IDisposable } from 'vs/base/common/lifecycle';
 import { IContextKey, IContextKeyService } from 'vs/platform/contextkey/common/contextkey';
 import { isUndefinedOrNull, withUndefinedAsNull, withNullAsUndefined } from 'vs/base/common/types';
 import { ILifecycleService, LifecyclePhase } from 'vs/platform/lifecycle/common/lifecycle';
-import { LayoutPriority } from 'vs/base/browser/ui/grid/gridview';
 import { registerSingleton } from 'vs/platform/instantiation/common/extensions';
 
 interface ICachedPanel {
@@ -58,7 +57,6 @@ export class PanelPart extends CompositePart<Panel> implements IPanelService {
 	readonly minimumHeight: number = 77;
 	readonly maximumHeight: number = Number.POSITIVE_INFINITY;
 
-	readonly priority: LayoutPriority = LayoutPriority.Low;
 	readonly snap = true;
 
 	//#endregion

src/vs/workbench/browser/parts/sidebar/sidebarPart.ts

@@ -30,7 +30,6 @@ import { StandardMouseEvent } from 'vs/base/browser/mouseEvent';
 import { IContextKey, IContextKeyService } from 'vs/platform/contextkey/common/contextkey';
 import { AnchorAlignment } from 'vs/base/browser/ui/contextview/contextview';
 import { IExtensionService } from 'vs/workbench/services/extensions/common/extensions';
-import { LayoutPriority } from 'vs/base/browser/ui/grid/gridview';
 import { registerSingleton } from 'vs/platform/instantiation/common/extensions';
 
 export class SidebarPart extends CompositePart<Viewlet> implements IViewletService {
@@ -46,7 +45,6 @@ export class SidebarPart extends CompositePart<Viewlet> implements IViewletServi
 	readonly minimumHeight: number = 0;
 	readonly maximumHeight: number = Number.POSITIVE_INFINITY;
 
-	readonly priority: LayoutPriority = LayoutPriority.Low;
 	readonly snap = true;
 
 	//#endregion