fix(styles) Remove Theme type annotation (#12544)

* tss-react doesn't need a type anotation for the Theme

* Update tss-react to 4.4.4

react/features/polls/components/web/PollAnswer.tsx

@@ -1,4 +1,3 @@
-import { Theme } from '@mui/material';
 import React from 'react';
 import { makeStyles } from 'tss-react/mui';
 
@@ -9,7 +8,7 @@ import { BUTTON_TYPES } from '../../../base/ui/constants.web';
 import { isSubmitAnswerDisabled } from '../../functions';
 import AbstractPollAnswer, { AbstractProps } from '../AbstractPollAnswer';
 
-const useStyles = makeStyles()((theme: Theme) => {
+const useStyles = makeStyles()(theme => {
     return {
         buttonMargin: {
             marginRight: theme.spacing(2)