revert most options sharing

packages/grafana-ui/src/utils/singlestat.ts

@@ -1,17 +1,11 @@
 import { PanelData, NullValueMode, SingleStatValueInfo } from '../types';
 import { processTimeSeries } from './processTimeSeries';
-import { DisplayValueOptions } from './displayValue';
 
 export interface SingleStatProcessingOptions {
   panelData: PanelData;
   stat: string;
 }
 
-export interface SingleStatOptions {
-  stat: string;
-  display: DisplayValueOptions;
-}
-
 //
 // This is a temporary thing, waiting for a better data model and maybe unification between time series & table data
 //