fix for c++20 on linux

src/main.cpp

@@ -1,6 +1,5 @@
 #include <stdio.h>
 #include <stdint.h>
-#include <math.h>
 #include <SDL3/SDL.h>
 
 #include "defer.h"
@@ -8,7 +7,6 @@
 #include "m_string.h"
 #include "math_graphics.h"
 #include "load_entire_file.h"
-#define STB_IMAGE_IMPLEMENTATION
 #include "stb_image.h"
 #include "glyphs.h"
 #include "../assets/shader/basic_vertex_shader.h"
@@ -43,7 +41,6 @@ int16 window_width;
 int16 window_height;
 
 bool Running = true;
-//
 
 #define view_width 17
 #define view_height 13