lib: Remove math.h from int_lib.h, which doesn't appear to be required.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@144749 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/int_lib.h b/lib/int_lib.h
index 9725f6e..3334a55 100644
--- a/lib/int_lib.h
+++ b/lib/int_lib.h
@@ -37,9 +37,6 @@
 #include <stdbool.h>
 #include <float.h>
 
-/* Include the system math.h, which we use in a number of places. */
-#include <math.h>
-
 /* If compiling for kernel use, call panic() instead of abort(). */
 #ifdef KERNEL_USE
 extern void panic (const char *, ...);