Updates include paths and removes dependency

Updates the include paths in omath.hpp to be more explicit,
ensuring correct referencing of header files.

Removes unnecessary include of vector3.hpp from vector2.hpp.

Author: orange-cpp

include/omath/linear_algebra/vector2.hpp

@@ -3,7 +3,6 @@
 //
 
 #pragma once
-#include "vector3.hpp"
 #include <cmath>
 #include <format>
 #include <tuple>

include/omath/omath.hpp

@@ -10,8 +10,8 @@
 #include "omath/angle.hpp"
 
 // Vector classes (in dependency order)
-#include "linear_algebra/vector2.hpp"
-#include "linear_algebra/vector4.hpp"
+#include "omath/linear_algebra/vector2.hpp"
+#include "omath/linear_algebra/vector4.hpp"
 #include "omath/linear_algebra/vector3.hpp"
 
 // Matrix classes