[Glide64] Remove unused offset_x, offset_y, scale_x, scale_y

Source/Glide64/Settings.cpp

@@ -60,10 +60,6 @@ CSettings::CSettings() :
     m_wfmode(wfmode_VertexColors),
 
 // Special fixes
-offset_x(0),
-offset_y(0),
-scale_x(0),
-scale_y(0),
 fast_crc(0),
 alt_tex_size(0),
 use_sts1_only(0),

Source/Glide64/Settings.h

@@ -235,8 +235,6 @@ public:
     inline wfmode_t wfmode(void) const { return m_wfmode; }
 
     // Special fixes
-    int offset_x, offset_y;
-    int scale_x, scale_y;
     int fast_crc;
     int alt_tex_size;
     int use_sts1_only;