Remove unused symbolic links
Symbolic links in conf/ are not used anymore because of
changing setup script, envsetup.sh in meta-agl by
commit
d1cbf84135f63489beeb99053b54dfda2dbaf041.
Change-Id: I0ab0aa9a4af3ee685a569b81cbb8581d8be8aeff
Signed-off-by: Tadao Tanikawa <tanikawa.tadao@jp.panasonic.com>