feat(mat4): add det function

tests/tests_config.c

@@ -1,16 +0,0 @@
-#include "../src/math/mat4.h"
-#include <stdio.h>
-
-void config() {
-    #if defined (SIMD_X86)
-        printf("SIMD enabled: X86\n");
-    #elif defined (SIMD_ARCH)
-        printf("SIMD enabled: ARCH\n");
-    #else
-        printf("SIMD disabled\n");
-    #endif
-}
-
-int main() {
-    config();
-}

tests/tests_vec3f.c

@@ -9,7 +9,6 @@
 #include <stdio.h>
 
 #include "../src/math/vec3.h"
-#include "../src/math/vec4.h"
 
 #define EPSILON 1e-6f