[cleanup] Remove invalid form references

Signed-off-by: Pierre-Charles David <pierre-charles.david@obeo.fr>

Author: pcdavid

frontend/syson-components/src/extensions/InsertTextualSysMLv2Modal.tsx

@@ -116,7 +116,6 @@ export const InsertTextualSysMLv2Modal = ({ editingContextId, item, onClose }: I
             variant={'contained'}
             color="primary"
             type="button"
-            form="upload-form-id"
             data-testid="new-object-from-text-close"
             onClick={() => onClose()}>
             Close

frontend/syson-components/src/extensions/NewObjectAsTextDocumentReport.tsx

@@ -74,7 +74,6 @@ export const NewObjectAsTextReport = ({ messages, success }: NewObjectAsTextRepo
             disabled={state.downloaded}
             color="primary"
             type="button"
-            form="upload-form-id"
             startIcon={<GetAppIcon />}
             data-testid="new-object-as-text-download-report"
             onClick={() => onDownloadReport()}>