Revert "Turn on -Wformat-nonliteral."

One of my build aliases doesn't play nice with USE_MINGW=1, so my build lied to me. Will revert until I fix it up.

This reverts commit 459df8f3a14d4c614f0211049800cf7cad6d30ad.

Change-Id: I7905c5ae5ee85fb2d228ce63d81c79f140998c18
diff --git a/adb/qemu_tracing.h b/adb/qemu_tracing.h
index aefba57..ff42d4f 100644
--- a/adb/qemu_tracing.h
+++ b/adb/qemu_tracing.h
@@ -21,10 +21,8 @@
 #ifndef __QEMU_TRACING_H
 #define __QEMU_TRACING_H
 
-#include "base/macros.h"
-
 /* Initializes connection with the adb-debug qemud service in the emulator. */
 int adb_qemu_trace_init(void);
-void adb_qemu_trace(const char* fmt, ...) ATTRIBUTE_FORMAT(1, 2);
+void adb_qemu_trace(const char* fmt, ...);
 
 #endif /* __QEMU_TRACING_H */