Remove old RasterFont classes

Source/Core/VideoCommon/CMakeLists.txt

@@ -65,6 +65,7 @@ PUBLIC
 PRIVATE
   png
   xxhash
+  imgui
 )
 
 if(_M_X86)

Source/Core/VideoCommon/RenderBase.h

@@ -159,8 +159,6 @@ public:
   // ImGui initialization depends on being able to create textures and pipelines, so do it last.
   bool InitializeImGui();
 
-  virtual void RenderText(const std::string& text, int left, int top, u32 color) = 0;
-
   virtual void ClearScreen(const EFBRectangle& rc, bool colorEnable, bool alphaEnable, bool zEnable,
                            u32 color, u32 z) = 0;
   virtual void ReinterpretPixelData(unsigned int convtype) = 0;