Merge pull request #20839 from backstage/freben/theme

remove unnecessary usage of deprecated `BackstageTheme`

plugins/scaffolder-react/src/next/components/ScaffolderPageContextMenu/ScaffolderPageContextMenu.tsx

@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-import { BackstageTheme } from '@backstage/theme';
 import IconButton from '@material-ui/core/IconButton';
 import ListItemIcon from '@material-ui/core/ListItemIcon';
 import ListItemText from '@material-ui/core/ListItemText';
@@ -28,7 +27,7 @@ import List from '@material-ui/icons/List';
 import MoreVert from '@material-ui/icons/MoreVert';
 import React, { useState } from 'react';
 
-const useStyles = makeStyles((theme: BackstageTheme) => ({
+const useStyles = makeStyles(theme => ({
   button: {
     color: theme.page.fontColor,
   },

plugins/scaffolder-react/src/next/components/TaskSteps/StepIcon.tsx

@@ -13,9 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import React from 'react';
 
-import { BackstageTheme } from '@backstage/theme';
+import React from 'react';
 import { CircularProgress, makeStyles, StepIconProps } from '@material-ui/core';
 import RemoveCircleOutline from '@material-ui/icons/RemoveCircleOutline';
 import PanoramaFishEyeIcon from '@material-ui/icons/PanoramaFishEye';
@@ -23,7 +22,7 @@ import classNames from 'classnames';
 import CheckCircleOutline from '@material-ui/icons/CheckCircleOutline';
 import ErrorOutline from '@material-ui/icons/ErrorOutline';
 
-const useStepIconStyles = makeStyles((theme: BackstageTheme) => ({
+const useStepIconStyles = makeStyles(theme => ({
   root: {
     color: theme.palette.text.disabled,
   },

plugins/scaffolder-react/src/next/components/TaskSteps/TaskBorder.tsx

@@ -13,11 +13,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 import React from 'react';
 import { LinearProgress, makeStyles } from '@material-ui/core';
-import { BackstageTheme } from '@backstage/theme';
 
-const useStyles = makeStyles((theme: BackstageTheme) => ({
+const useStyles = makeStyles(theme => ({
   failed: {
     backgroundColor: theme.palette.error.main,
   },