SW/Tev: Remove Tev::Init

Source/Core/VideoBackends/Software/Rasterizer.cpp

@@ -108,8 +108,6 @@ static std::vector<BPFunctions::ScissorRect> scissors;
 
 void Init()
 {
-  tev.Init();
-
   // The other slopes are set each for each primitive drawn, but zfreeze means that the z slope
   // needs to be set to an (untested) default value.
   ZSlope = Slope();

Source/Core/VideoBackends/Software/Tev.cpp

@@ -27,10 +27,6 @@
 #define ALLOW_TEV_DUMPS 0
 #endif
 
-void Tev::Init()
-{
-}
-
 static inline s16 Clamp255(s16 in)
 {
   return in > 255 ? 255 : (in < 0 ? 0 : in);

Source/Core/VideoBackends/Software/Tev.h

@@ -226,8 +226,6 @@ public:
     RED_C
   };
 
-  void Init();
-
   void Draw();
 
   void SetRegColor(int reg, int comp, s16 color);