ASoC: max98090: Remove unused version define

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/max98090.h

@@ -11,11 +11,6 @@
 #ifndef _MAX98090_H
 #define _MAX98090_H
 
-#include <linux/version.h>
-
-/* One can override the Linux version here with an explicit version number */
-#define M98090_LINUX_VERSION LINUX_VERSION_CODE
-
 /*
  * MAX98090 Register Definitions
  */