[APM] Remove service map fullscreen control

x-pack/legacy/plugins/apm/public/components/app/ServiceMap/Controls.tsx

@@ -4,13 +4,12 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
-import React, { useContext, useState, useEffect } from 'react';
 import { EuiButtonIcon, EuiPanel } from '@elastic/eui';
 import theme from '@elastic/eui/dist/eui_theme_light.json';
-import styled from 'styled-components';
 import { i18n } from '@kbn/i18n';
+import React, { useContext, useEffect, useState } from 'react';
+import styled from 'styled-components';
 import { CytoscapeContext } from './Cytoscape';
-import { FullscreenPanel } from './FullscreenPanel';
 
 const ControlsContainer = styled('div')`
   left: ${theme.gutterTypes.gutterMedium};
@@ -75,7 +74,6 @@ export function Controls() {
   const minZoom = cy.minZoom();
   const isMinZoom = zoom === minZoom;
   const increment = (maxZoom - minZoom) / steps;
-  const mapDomElement = cy.container();
   const zoomInLabel = i18n.translate('xpack.apm.serviceMap.zoomIn', {
     defaultMessage: 'Zoom in'
   });
@@ -103,7 +101,6 @@ export function Controls() {
           title={zoomOutLabel}
         />
       </ZoomPanel>
-      <FullscreenPanel element={mapDomElement} />
     </ControlsContainer>
   );
 }