Remove "join public server" button. (#6839)

:salute:

Content.Client/MainMenu/UI/MainMenuControl.xaml

@@ -16,12 +16,6 @@
                           PlaceHolder="{Loc 'main-menu-username-text'}"
                           HorizontalExpand="True" />
             </BoxContainer>
-            <Button Name="JoinPublicServerButton"
-                    Access="Public"
-                    Text="{Loc 'main-menu-join-public-server-button'}"
-                    StyleIdentifier="mainMenu"
-                    TextAlign="Center" />
-            <Control MinSize="0 2" />
             <LineEdit Name="AddressBox"
                       Access="Public"
                       Text="localhost"

Content.Client/MainMenu/UI/MainMenuControl.xaml.cs

@@ -31,11 +31,6 @@ namespace Content.Client.MainMenu.UI
                 var currentUserName = configMan.GetCVar(CVars.PlayerName);
                 UsernameBox.Text = currentUserName;
 
-#if !FULL_RELEASE
-                JoinPublicServerButton.Disabled = true;
-                JoinPublicServerButton.ToolTip = Loc.GetString("main-menu-join-public-server-button-tooltip");
-#endif
-
                 LayoutContainer.SetAnchorPreset(VersionLabel, LayoutContainer.LayoutPreset.BottomRight);
                 LayoutContainer.SetGrowHorizontal(VersionLabel, LayoutContainer.GrowDirection.Begin);
                 LayoutContainer.SetGrowVertical(VersionLabel, LayoutContainer.GrowDirection.Begin);