Remove old direction symbol option from labeling gui

src/ui/qgslabelingguibase.ui

@@ -449,7 +449,7 @@
            <property name="geometry">
             <rect>
              <x>0</x>
-             <y>-448</y>
+             <y>0</y>
              <width>686</width>
              <height>834</height>
             </rect>
@@ -1921,7 +1921,7 @@
             <x>0</x>
             <y>0</y>
             <width>686</width>
-            <height>553</height>
+            <height>532</height>
            </rect>
           </property>
           <layout class="QGridLayout" name="gridLayout_13">
@@ -2620,14 +2620,7 @@
                 </property>
                </widget>
               </item>
-              <item row="3" column="0">
-               <widget class="QCheckBox" name="chkAddDirectionSymbol">
-                <property name="text">
-                 <string>Add direction symbol</string>
-                </property>
-               </widget>
-              </item>
-              <item row="5" column="0">
+              <item row="4" column="0">
                <layout class="QHBoxLayout" name="horizontalLayout_2">
                 <item>
                  <widget class="QLabel" name="label_19">
@@ -2648,7 +2641,7 @@
                 </item>
                </layout>
               </item>
-              <item row="6" column="0">
+              <item row="5" column="0">
                <layout class="QHBoxLayout" name="horizontalLayout_20">
                 <item>
                  <widget class="QCheckBox" name="chkNoObstacle">
@@ -2692,7 +2685,7 @@
                 </property>
                </widget>
               </item>
-              <item row="4" column="0">
+              <item row="3" column="0">
                <layout class="QHBoxLayout" name="horizontalLayout_16">
                 <item>
                  <widget class="QLabel" name="mUpsidedownLabel">