Remove debugging output (#940)

Co-authored-by: Pietro Monteiro <pietro@sociotechnical.xyz>
diff --git a/src/x86/ffitarget.h b/src/x86/ffitarget.h
index 5a3399d..2ea25d2 100644
--- a/src/x86/ffitarget.h
+++ b/src/x86/ffitarget.h
@@ -41,9 +41,6 @@
 
 #if defined (X86_64) && defined (__i386__)
 #undef X86_64
-#warning ******************************************************
-#warning ********** X86 IS DEFINED ****************************
-#warning ******************************************************
 #define X86
 #endif