Revert "add TOTP/Recovery Form for mobile version"

This reverts commit a3811f944819430c278b6da6b08dc322a9b9ff65.

src/components/user_settings/mfa_backup_codes.vue

@@ -0,0 +1,22 @@
+<template>
+<div>
+  <h4 v-if="displayTitle">{{$t('settings.mfa.recovery_codes')}}</h4>
+  <i v-if="inProgress">{{$t('settings.mfa.waiting_a_recovery_codes')}}</i>
+  <template v-if="ready">
+    <p class="alert warning">{{$t('settings.mfa.recovery_codes_warning')}}</p>
+    <ul class="backup-codes"><li v-for="code in backupCodes.codes">{{code}}</li></ul>
+  </template>
+</div>
+</template>
+<script src="./mfa_backup_codes.js"></script>
+<style lang="scss">
+@import '../../_variables.scss';
+
+.warning {
+  color: $fallback--cOrange;
+  color: var(--cOrange, $fallback--cOrange);
+}
+.backup-codes {
+  font-family: var(--postCodeFont, monospace);
+}
+</style>