Revert "Linker support for MTE globals."

Revert submission 2709995

Reason for revert: linker crash in soinfo::apply_relr_reloc

Reverted changes: /q/submissionid:2709995

Bug: 314038442
Change-Id: I2c6ad7f46fb1174f009253602ad08ceb36aa7d71
diff --git a/linker/linker_soinfo.h b/linker/linker_soinfo.h
index 092cbcc..622719d 100644
--- a/linker/linker_soinfo.h
+++ b/linker/linker_soinfo.h
@@ -66,10 +66,9 @@
                                          // soinfo is executed and this flag is
                                          // unset.
 #define FLAG_PRELINKED        0x00000400 // prelink_image has successfully processed this soinfo
-#define FLAG_GLOBALS_TAGGED 0x00000800   // globals have been tagged by MTE.
 #define FLAG_NEW_SOINFO       0x40000000 // new soinfo format
 
-#define SOINFO_VERSION 7
+#define SOINFO_VERSION 6
 
 ElfW(Addr) call_ifunc_resolver(ElfW(Addr) resolver_addr);
 
@@ -258,8 +257,6 @@
                   const android_dlextinfo* extinfo, size_t* relro_fd_offset);
   bool protect_relro();
 
-  void tag_globals();
-
   void add_child(soinfo* child);
   void remove_all_links();