Remove unused functions

engine/core/math/MathUtils.h

@@ -34,8 +34,6 @@ OTHER DEALINGS IN THE SOFTWARE.
 #include "Assert.h"
 #include "Types.h"
 
-#define BIT(i) (1 << i)
-
 namespace crown
 {
 
@@ -74,24 +72,6 @@ inline bool equals(double a, double b, double precision  = DOUBLE_PRECISION)
 	return ((b <= (a + precision)) && (b >= (a - precision)));
 }
 
-//-----------------------------------------------------------------------------
-inline bool test_bitmask(int32_t value, int32_t bitmask)
-{
-	return (value & bitmask) == bitmask;
-}
-
-//-----------------------------------------------------------------------------
-inline int32_t set_bitmask(int32_t value, int32_t bitmask)
-{
-	return value | bitmask;
-}
-
-//-----------------------------------------------------------------------------
-inline int32_t unset_bitmask(int32_t value, int32_t bitmask)
-{
-	return value & (~bitmask);
-}
-
 //-----------------------------------------------------------------------------
 template <typename T>
 inline T min(const T& a, const T& b)