Qt: Remove redundant layout from AchievementSettingsWidget

src/duckstation-qt/achievementsettingswidget.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>674</width>
-    <height>479</height>
+    <height>524</height>
    </rect>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
@@ -220,7 +220,7 @@
      <property name="title">
       <string>Account</string>
      </property>
-     <layout class="QHBoxLayout" name="horizontalLayout" stretch="1,0,0">
+     <layout class="QHBoxLayout" name="horizontalLayout" stretch="1,0,0,0">
       <item>
        <widget class="QLabel" name="loginStatus">
         <property name="text">
@@ -239,8 +239,6 @@ Login token generated at:</string>
         </property>
        </widget>
       </item>
-      <item>
-       <layout class="QHBoxLayout" name="horizontalLayout_4">
       <item>
        <widget class="QPushButton" name="viewProfile">
         <property name="text">
@@ -256,8 +254,6 @@ Login token generated at:</string>
        </widget>
       </item>
      </layout>
-      </item>
-     </layout>
     </widget>
    </item>
    <item>