Remove TODO comments (already done)

src/raylib.h

@@ -423,7 +423,6 @@ typedef struct Material {
 } Material;
 
 // 3d Model type
-// TODO: Replace shader/testure by material
 typedef struct Model {
     Mesh mesh;                  // Vertex data buffers (RAM and VRAM)
     Matrix transform;           // Local transform matrix

src/shapes.c

@@ -446,7 +446,6 @@ bool CheckCollisionCircleRec(Vector2 center, float radius, Rectangle rec)
 }
 
 // Get collision rectangle for two rectangles collision
-// TODO: Depending on rec1 and rec2 order, it fails -> Review!
 Rectangle GetCollisionRec(Rectangle rec1, Rectangle rec2)
 {
     Rectangle retRec = { 0, 0, 0, 0 };