Switch back to Iggy chat temporarily

Partially reverts changes in #682 that uses a better technique for rendering
the chat in favor of Iggy. We will need to go back once we update that
version for better visual parity with the Iggy chat rendering (position,
spacing, font size) but this works for now. Fixes #718

Minecraft.Client/Common/UI/UIScene_HUD.cpp

@@ -753,7 +753,7 @@ void UIScene_HUD::handleTimerComplete(int id)
 			float opacity = pGui->getOpacity(m_iPad, i);
 			if( opacity > 0 )
 			{
-#ifdef _WINDOWS64
+#if 0 // def _WINDOWS64 // Use Iggy chat until Gui::render has visual parity
 				// Chat drawn by Gui::render with color codes. Hides Iggy chat to avoid double chats.
 				m_controlLabelBackground[i].setOpacity(0);
 				m_labelChatText[i].setOpacity(0);

Minecraft.Client/Gui.cpp

@@ -971,7 +971,7 @@ void Gui::render(float a, bool mouseFree, int xMouse, int yMouse)
     glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
     glDisable(GL_ALPHA_TEST);
 
-#if defined(_WINDOWS64)
+#if 0 // defined(_WINDOWS64) // Temporarily disable this chat in favor of iggy chat until we have better visual parity
     glPushMatrix();
     glTranslatef(0.0f, static_cast<float>(screenHeight - iSafezoneYHalf - iTooltipsYOffset - 16 - 3 + 22) - 24.0f, 0.0f);