Remove maxDataPoints and interval props from props to remember in panel model

public/app/features/dashboard/state/PanelModel.ts

@@ -47,8 +47,6 @@ const mustKeepProps: { [str: string]: boolean } = {
   timeFrom: true,
   timeShift: true,
   hideTimeOverride: true,
-  maxDataPoints: true,
-  interval: true,
   description: true,
   links: true,
   fullscreen: true,