remove reference / x-ray links on schema for now (#8023)

frontend/src/metabase/components/BrowseApp.jsx

@@ -70,20 +70,12 @@ export class SchemaBrowser extends React.Component {
                         hover={{ color: normal.purple }}
                       >
                         <Card hoverable px={1}>
-                          <Flex align="center">
-                            <EntityItem
-                              name={schema.name}
-                              iconName="folder"
-                              iconColor={normal.purple}
-                              item={schema}
-                            />
-                            <Box ml="auto">
-                              <Icon name="reference" />
-                              <Tooltip tooltip={t`X-ray this schema`}>
-                                <Icon name="bolt" mx={1} />
-                              </Tooltip>
-                            </Box>
-                          </Flex>
+                          <EntityItem
+                            name={schema.name}
+                            iconName="folder"
+                            iconColor={normal.purple}
+                            item={schema}
+                          />
                         </Card>
                       </Link>
                     </GridItem>