Hide confusing options that are truncated at default dialog size

Fixes internal bug 1140269.

src/VisualStudio/CSharp/Impl/Options/AdvancedOptionPageControl.xaml

@@ -55,7 +55,8 @@
                     <CheckBox x:Name="DontPutOutOrRefOnStruct"
                               Content="{x:Static local:AdvancedOptionPageStrings.Option_DontPutOutOrRefOnStruct}" />
                     <CheckBox x:Name="AllowMovingDeclaration"
-                              Content="{x:Static local:AdvancedOptionPageStrings.Option_AllowMovingDeclaration}" />
+                              Content="{x:Static local:AdvancedOptionPageStrings.Option_AllowMovingDeclaration}"
+                              Visibility="Collapsed" />
                 </StackPanel>
             </GroupBox>
         </StackPanel>

src/VisualStudio/VisualBasic/Impl/Options/AdvancedOptionPageControl.xaml

@@ -50,6 +50,7 @@
                     <CheckBox x:Name="DontPutOutOrRefOnStruct"
                               Content="{x:Static local:AdvancedOptionPageStrings.Option_DontPutOutOrRefOnStruct}" />
                     <CheckBox x:Name="AllowMovingDeclaration"
+                              Visibility="Collapsed"
                               Content="{x:Static local:AdvancedOptionPageStrings.Option_AllowMovingDeclaration}" />
                 </StackPanel>
             </GroupBox>