x86: drop detection of ld supporting SORT_BY_INIT_PRIORITY()

GNU ld 2.25 supports this, and we already assume all lld versions do.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>
Release-Acked-By: Oleksii Kurochko<oleksii.kurochko@gmail.com>

xen/arch/x86/arch.mk

@@ -72,16 +72,6 @@ ifeq ($(CONFIG_UBSAN),y)
 $(call cc-option-add,CFLAGS_UBSAN,CC,-fno-sanitize=alignment)
 endif
 
-ifeq ($(CONFIG_LD_IS_GNU),y)
-# While not much better than going by raw GNU ld version, utilize that the
-# feature we're after has appeared in the same release as the
-# --print-output-format command line option.
-AFLAGS-$(call ld-option,--print-output-format) += -DHAVE_LD_SORT_BY_INIT_PRIORITY
-else
-# Assume all versions of LLD support this.
-AFLAGS += -DHAVE_LD_SORT_BY_INIT_PRIORITY
-endif
-
 ifneq ($(CONFIG_PV_SHIM_EXCLUSIVE),y)
 
 efi-check := arch/x86/efi/check

xen/arch/x86/xen.lds.S

@@ -35,10 +35,6 @@ ENTRY(start_pa)
 # define SECTION_ALIGN PAGE_SIZE
 #endif
 
-#ifndef HAVE_LD_SORT_BY_INIT_PRIORITY
-# define SORT_BY_INIT_PRIORITY SORT
-#endif
-
 OUTPUT_FORMAT(FORMAT, FORMAT, FORMAT)
 
 OUTPUT_ARCH(i386:x86-64)