Remove 'refresh' icon from success dialog's OK-CTA due to user confusion

Signed-off-by: Erik Engervall <erik.engervall@gmail.com>

.changeset/spicy-oranges-tan.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-git-release-manager': patch
+---
+
+Remove 'refresh' icon from success dialog's OK-CTA. User feedback deemed it confusing.

plugins/git-release-manager/src/components/ResponseStepDialog/ResponseStepDialog.tsx

@@ -21,7 +21,6 @@ import {
   DialogActions,
   DialogTitle,
 } from '@material-ui/core';
-import RefreshIcon from '@material-ui/icons/Refresh';
 
 import { LinearProgressWithLabel } from './LinearProgressWithLabel';
 import { ResponseStep } from '../../types/types';
@@ -65,7 +64,6 @@ export const ResponseStepDialog = ({
           variant="contained"
           size="large"
           color="primary"
-          startIcon={<RefreshIcon />}
         >
           Ok
         </Button>