Fix locale files

GitLab: #81
Change-Id: I785904be3ac8f2e83cbc52858416c45041623b5f
diff --git a/client/src/components/AlertSnackbar.tsx b/client/src/components/AlertSnackbar.tsx
index 287cd60..a4781ff 100644
--- a/client/src/components/AlertSnackbar.tsx
+++ b/client/src/components/AlertSnackbar.tsx
@@ -38,11 +38,7 @@
       }}
     >
       <Alert severity={severity} {...alertProps}>
-        {/* For i18n-parser.
-          t('severity_error')
-          t('severity_success')
-        */}
-        <AlertTitle>{t(`severity_${severity}`)}</AlertTitle>
+        <AlertTitle>{t('severity', { context: `${severity}` })}</AlertTitle>
         {children}
       </Alert>
     </Snackbar>