do not create symlink which exists inside the package

Also, remove a strange hack, try without it

glibc.spec

@@ -404,11 +404,6 @@ if posix.access (ldsoconf) then
   end
 end
 
-%ifarch aarch64
--- ABI spec says it lib/ld-linux-aarch64.so.1 even though logic says lib64...
-posix.symlink("%{_libdir}/ld-linux-aarch64.so.1", "/lib/ld-linux-aarch64.so.1")
-%endif
-
 -- Place compat symlink if the system is still split-usr
 local st=posix.stat("/%{_lib}")
 if st.type ~= "link" then
@@ -477,11 +472,6 @@ os.execute("/sbin/ldconfig -X")
 -- Need to repeat it here, deinstallation of an older version
 -- wiped out the files that used to be in the older versions
 
-%ifarch aarch64
--- ABI spec says it lib/ld-linux-aarch64.so.1 even though logic says lib64...
-posix.symlink("%{_libdir}/ld-linux-aarch64.so.1", "/lib/ld-linux-aarch64.so.1")
-%endif
-
 -- Place compat symlink if the system is still split-usr
 st=posix.stat("/%{_lib}")
 if st.type ~= "link" then
@@ -721,16 +711,6 @@ LANG variable to their preferred language in their
 %{expand:%(sh %{S:1000} "Yau" "yuw" "yuw_PG")}
 %{expand:%(sh %{S:1000} "Chinese" "zh" "zh_CN" "zh_HK" "zh_SG" "zh_TW" "cmn_TW" "hak_TW" "lzh_TW" "nan_TW")}
 %{expand:%(sh %{S:1000} "Zulu" "zu" "zu_ZA")}
-
-%ifarch aarch64
-# FIXME Workaround for the %%post script not being
-# able to run /bin/sh because of missing ld-linux-aarch64.so.1
-# symlink while building docker-builder
-# This should really not be necessary, but somehow it is.
-%pre -n locales-en -p <lua>
-posix.symlink("%{_libdir}/ld-linux-aarch64.so.1", "/lib/ld-linux-aarch64.so.1")
-%endif
-
 %endif
 
 %files -f libc.lang
@@ -1939,7 +1919,7 @@ rm -f %{buildroot}%{_prefix}/lib/libcrypt.so
 
 %ifarch aarch64
 # Compat symlink -- some versions of ld hardcoded /lib/ld-linux-aarch64.so.1
-# as dynamic loader
+# as dynamic loader (probably die to ABI spec saying this)
 mkdir -p %{buildroot}/lib
 ln -s /lib64/ld-linux-aarch64.so.1 %{buildroot}/lib/ld-linux-aarch64.so.1
 %endif