i386: Remove six-argument specialized implementations

This patch removes the specialized i386 assembly implementations for
fallocate{64}, pselect, and sync_file_range now that i386 have
support for 6 argument syscalls.

ChangeLog

@@ -1,3 +1,13 @@
+2015-05-20  Adhemerval Zanella  <adhemerval.zanella@linaro.org>
+
+	* sysdeps/unix/sysv/linux/i386/Makefile [$(subdir) = misc)]: Remove
+	call_pselect6 object.
+	[$(subdir) = io]: Remove call_sync_file_range object.
+	* sysdeps/unix/sysv/linux/i386/call_pselect6.S: Remove file.
+	* sysdeps/unix/sysv/linux/i386/call_sync_file_range.S: Remove file.
+	* sysdeps/unix/sysv/linux/i386/pselect.c: Remove file.
+	* sysdeps/unix/sysv/linux/i386/sync_file_range.c: Remove file.
+
 2015-05-20  Wilco Dijkstra  <wdijkstr@arm.com>
 
 	* math/s_cproj.c: Add include "math_private.h".

sysdeps/unix/sysv/linux/i386/Makefile

@@ -2,7 +2,7 @@
 default-abi := 32
 
 ifeq ($(subdir),misc)
-sysdep_routines += ioperm iopl vm86 call_pselect6
+sysdep_routines += ioperm iopl vm86
 endif
 
 ifeq ($(subdir),elf)
@@ -12,7 +12,7 @@ endif
 
 # fallocate, posix_fallocate use six-argument inline syscalls.
 ifeq ($(subdir),io)
-sysdep_routines += call_sync_file_range libc-do-syscall
+sysdep_routines += libc-do-syscall
 endif
 
 # libpthread uses six-argument inline syscalls.