Prometheus: Minor style fix (#17773)

* Prometheus: Minor style fix

* Updated snapshot

public/app/plugins/datasource/prometheus/components/PromQueryEditor.tsx

@@ -98,7 +98,6 @@ export class PromQueryEditor extends PureComponent<Props, State> {
 
     return (
       <div>
-        <div className="gf-form-input" style={{ height: 'initial' }}>
         <PromQueryField
           datasource={datasource}
           query={query}
@@ -109,7 +108,6 @@ export class PromQueryEditor extends PureComponent<Props, State> {
           queryResponse={queryResponse}
           datasourceStatus={DataSourceStatus.Connected} // TODO: replace with real DataSourceStatus
         />
-        </div>
 
         <div className="gf-form-inline">
           <div className="gf-form">

public/app/plugins/datasource/prometheus/components/__snapshots__/PromQueryEditor.test.tsx.snap

@@ -2,14 +2,6 @@
 
 exports[`Render PromQueryEditor with basic options should render 1`] = `
 <div>
-  <div
-    className="gf-form-input"
-    style={
-      Object {
-        "height": "initial",
-      }
-    }
-  >
   <PromQueryField
     datasource={
       Object {
@@ -28,7 +20,6 @@ exports[`Render PromQueryEditor with basic options should render 1`] = `
       }
     }
   />
-  </div>
   <div
     className="gf-form-inline"
   >