remove unused shader code

src/renderer.cpp

@@ -32,22 +32,6 @@
 #define DEFAULT_VERTEX_SHADER_FILE "../data/default.vs"
 #define DEFAULT_FRAGMENT_SHADER_FILE "../data/default.fs"
 
-const char * LINE_FRAGMENT_SHADER_CODE =
-	"#version 330 core\n"
-	"out vec3 color;\n"
-	"void main()\n"
-	"{\n"
-	"	color = vec3(0,0,0);\n"
-	"}";
-
-const char * DEBUG_FRAGMENT_SHADER_CODE =
-	"#version 330 core\n"
-	"out vec3 color;\n"
-	"void main()\n"
-	"{\n"
-	"	color = vec3(1,0,0);\n"
-	"}";
-
 typedef struct clear_col
 {
 	real32 R;
@@ -99,7 +83,6 @@ static render_group* g_filled_hex_render_group;
 static render_group* g_hex_line_render_group;
 static render_group* g_debug_render_group;
 static rg_shader_program g_default_shader;
-static rg_shader_program g_line_shader;
 // NOTE: entity render_group pointers are kept in the entity struct
 static camera g_camera;