Remove the useless extra sync_file_range() shim for non-arm32.

Only arm32 needs hand-holding here.

Change-Id: I285aa35018eb3a9466393dad961d751b2d8e8a93
diff --git a/libc/SYSCALLS.TXT b/libc/SYSCALLS.TXT
index 182de17..512d747 100644
--- a/libc/SYSCALLS.TXT
+++ b/libc/SYSCALLS.TXT
@@ -350,7 +350,7 @@
 int setdomainname(const char*, size_t)  all
 int sethostname(const char*, size_t)  all
 
-int __sync_file_range:sync_file_range(int, off64_t, off64_t, unsigned int) x86,lp64
+int sync_file_range(int, off64_t, off64_t, unsigned int) x86,lp64
 int __sync_file_range2:sync_file_range2(int, unsigned int, off64_t, off64_t) arm
 
 pid_t wait4(pid_t, int*, int, struct rusage*)  all