Move sysdeps/generic/elf/* to sysdeps/generic

diff --git a/sysdeps/generic/elf/backtracesyms.c b/sysdeps/generic/backtracesyms.c
similarity index 100%
rename from sysdeps/generic/elf/backtracesyms.c
rename to sysdeps/generic/backtracesyms.c

diff --git a/sysdeps/generic/elf/backtracesymsfd.c b/sysdeps/generic/backtracesymsfd.c
similarity index 100%
rename from sysdeps/generic/elf/backtracesymsfd.c
rename to sysdeps/generic/backtracesymsfd.c

diff --git a/sysdeps/generic/elf/ifunc-sel.h b/sysdeps/generic/ifunc-sel.h
similarity index 100%
rename from sysdeps/generic/elf/ifunc-sel.h
rename to sysdeps/generic/ifunc-sel.h