Remove include that is no longer needed
diff --git a/library/entropy_poll.c b/library/entropy_poll.c
index ae3929a..92c757e 100644
--- a/library/entropy_poll.c
+++ b/library/entropy_poll.c
@@ -77,7 +77,6 @@
  * available in GNU libc and compatible libc's (eg uClibc).
  */
 #if defined(__linux__) && defined(__GLIBC__)
-#include <linux/version.h>
 #include <unistd.h>
 #include <sys/syscall.h>
 #if defined(SYS_getrandom)