Revert "Edit error toast for XML upload"

This reverts commit 2a08bdf.

src/components/SubmissionWizard/WizardForms/WizardXMLUploadModal.tsx

@@ -1,6 +1,5 @@
 import React, { useRef, useEffect } from "react"
 
-import CancelIcon from "@mui/icons-material/Cancel"
 import Alert from "@mui/material/Alert"
 import Button from "@mui/material/Button"
 import CircularProgress from "@mui/material/CircularProgress"
@@ -69,23 +68,6 @@ const StyledButton = styled(Button)(() => ({
   height: "5rem",
 }))
 
-const CustomAlert = styled(Alert)(({ theme }) => ({
-  backgroundColor: theme.palette.background.paper,
-  borderLeft: `1.25rem solid ${theme.palette.error.main}`,
-  borderTop: `0.25rem solid ${theme.palette.error.main}`,
-  borderRight: `0.25rem solid ${theme.palette.error.main}`,
-  borderBottom: `0.25rem solid ${theme.palette.error.main}`,
-  color: theme.palette.secondary.main,
-  lineHeight: "1.75",
-  boxShadow: "0 0.25rem 0.625rem rgba(0, 0, 0, 0.2)",
-  position: "relative",
-  padding: "1rem",
-  display: "flex",
-  justifyContent: "space-between",
-  alignItems: "center",
-  fontSize: "1.75rem !important",
-}))
-
 const WizardXMLUploadModal = ({ open, handleClose, currentObject }: WizardXMLUploadModalProps) => {
   const dispatch = useAppDispatch()
   const objectType = useAppSelector(state => state.objectType)
@@ -284,33 +266,15 @@ const WizardXMLUploadModal = ({ open, handleClose, currentObject }: WizardXMLUpl
         </StyledButton>
         <Stack position="absolute" bottom="-30%" left="0" right="0">
           {errors.fileUpload?.type === "isFile" && (
-            <CustomAlert
-              severity="error"
-              icon={<CancelIcon sx={{ fontSize: "2rem", marginRight: "1rem" }} />}
-            >
-              <Typography sx={{ margin: "0.75rem" }}>Please attach a file.</Typography>
-            </CustomAlert>
+            <Alert severity="error">Please attach a file.</Alert>
           )}
           {errors.fileUpload?.type === "isXML" && (
-            <CustomAlert
-              severity="error"
-              icon={<CancelIcon sx={{ fontSize: "2rem", marginRight: "1rem" }} />}
-            >
-              <Typography sx={{ margin: "0.75rem" }}>Please attach an XML file.</Typography>
-            </CustomAlert>
+            <Alert severity="error">Please attach an XML file.</Alert>
           )}
           {errors.fileUpload?.type === "isValidXML" && (
-            <CustomAlert
-              severity="error"
-              icon={<CancelIcon sx={{ fontSize: "2rem", marginRight: "1rem" }} />}
-            >
-              <Typography sx={{ margin: "0.75rem" }}>
-                {errors?.fileUpload?.message?.toString()}
-              </Typography>
-            </CustomAlert>
+            <Alert severity="error">{errors?.fileUpload?.message?.toString()}</Alert>
           )}
         </Stack>
-
         {loading && (
           <Stack
             width="100%"