register: drop middlename

src/views/Register.vue

@@ -73,24 +73,6 @@
             p-2
           " />
         <!--  -->
-        <label for="middle_name" class="block font-medium">{{
-          $t("mittelname")
-        }}</label>
-        <input v-model="userdetails.middlename" name="middlename" id="middle_name" autocomplete="off"
-          :placeholder="[[$t('mittelname')]]" type="text" class="
-            dark:bg-gray-800
-            mt-1
-            block
-            w-full
-            shadow-sm
-            sm:text-sm
-            border-gray-300 border-2
-            bg-gray-50
-            text-gray-500
-            rounded-md
-            p-2
-          " />
-        <!--  -->
         <label for="last_name" class="block font-medium">
           {{ $t("nachname") }}
           <span class="font-bold">*</span>