Remove the "Move repository" menu entry from the catalog page, as it's just a placeholder

It will be easy to bring it back later, but for now it just confuses users that it's not doing anything. It's also hard to remove for integrators.

.changeset/five-guests-promise.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-catalog': patch
+---
+
+Remove the "Move repository" menu entry from the catalog page, as it's just a placeholder.

plugins/catalog/src/components/EntityContextMenu/EntityContextMenu.tsx

@@ -25,7 +25,6 @@ import {
 import { makeStyles } from '@material-ui/core/styles';
 import Cancel from '@material-ui/icons/Cancel';
 import MoreVert from '@material-ui/icons/MoreVert';
-import SwapHoriz from '@material-ui/icons/SwapHoriz';
 import React, { useState } from 'react';
 
 // TODO(freben): It should probably instead be the case that Header sets the theme text color to white inside itself unconditionally instead
@@ -82,12 +81,6 @@ export const EntityContextMenu = ({ onUnregisterEntity }: Props) => {
             </ListItemIcon>
             <Typography variant="inherit">Unregister entity</Typography>
           </MenuItem>
-          <MenuItem>
-            <ListItemIcon>
-              <SwapHoriz fontSize="small" />
-            </ListItemIcon>
-            <Typography variant="inherit">Move repository</Typography>
-          </MenuItem>
         </MenuList>
       </Popover>
     </>