Makefile.shared: revert Haiku support commit.

Configurations/50-haiku.conf reuses gnu-shared rules and doesn't
require dedicated targets.
Reviewed-by: NRichard Levitte <levitte@openssl.org>

Makefile.shared

@@ -562,11 +562,11 @@ symlink.hpux:
 symlink.cygwin symlink.alpha-osf1 symlink.tru64 symlink.tru64-rpath:
 
 # Compatibility targets
-link_dso.bsd-gcc-shared link_dso.linux-shared link_dso.gnu-shared link_dso.haiku-shared: link_dso.gnu
+link_dso.bsd-gcc-shared link_dso.linux-shared link_dso.gnu-shared: link_dso.gnu
 link_shlib.bsd-gcc-shared: link_shlib.linux-shared
-link_shlib.gnu-shared link_shlib.haiku-shared: link_shlib.gnu
-link_app.bsd-gcc-shared link_app.linux-shared link_app.gnu-shared link_app.haiku-shared: link_app.gnu
-symlink.bsd-gcc-shared symlink.bsd-shared symlink.linux-shared symlink.gnu-shared symlink.haiku-shared: symlink.gnu
+link_shlib.gnu-shared: link_shlib.gnu
+link_app.bsd-gcc-shared link_app.linux-shared link_app.gnu-shared: link_app.gnu
+symlink.bsd-gcc-shared symlink.bsd-shared symlink.linux-shared symlink.gnu-shared: symlink.gnu
 link_dso.bsd-shared: link_dso.bsd
 link_shlib.bsd-shared: link_shlib.bsd
 link_app.bsd-shared: link_app.bsd