Remove include <log.h> from defines.h

The reason for this is that log.h includes drv_hrt.h which sucks in
half the project's include files with it, which causes strange build
issues

src/lib/wind_estimator/WindEstimator.hpp

@@ -38,6 +38,8 @@
 
 #pragma once
 
+#include <drivers/drv_hrt.h>
+
 #include <mathlib/mathlib.h>
 #include <matrix/math.hpp>