Removes unused makeStyles

plugins/splunk-on-call/src/components/SplunkOnCallCard.tsx

@@ -25,8 +25,6 @@ import {
 } from '@backstage/core';
 import { Entity } from '@backstage/catalog-model';
 import {
-  Button,
-  makeStyles,
   Card,
   CardHeader,
   Divider,
@@ -43,22 +41,6 @@ import { TriggerDialog } from './TriggerDialog';
 import { MissingApiKeyOrApiIdError } from './Errors/MissingApiKeyOrApiIdError';
 import { User } from './types';
 
-const useStyles = makeStyles({
-  triggerAlarm: {
-    paddingTop: 0,
-    paddingBottom: 0,
-    fontSize: '0.7rem',
-    textTransform: 'uppercase',
-    fontWeight: 600,
-    letterSpacing: 1.2,
-    lineHeight: 1.5,
-    '&:hover, &:focus, &.focus': {
-      backgroundColor: 'transparent',
-      textDecoration: 'none',
-    },
-  },
-});
-
 export const SPLUNK_ON_CALL_TEAM = 'splunk.com/on-call-team';
 
 export const MissingTeamAnnotation = () => (
@@ -83,7 +65,6 @@ type Props = {
 };
 
 export const SplunkOnCallCard = ({ entity }: Props) => {
-  const classes = useStyles();
   const config = useApi(configApiRef);
   const api = useApi(splunkOnCallApiRef);
   const [showDialog, setShowDialog] = useState<boolean>(false);