Move the strip invocation into its own target to allow stripping
binaries without having to run the "realinstall" target.
build: remove redundant realinstall target
Leave just the "install" and "install-strip" targets.
See commit 099925e18 ("added install-strip, make install now without
strip.", 2015-09-10) / PR #60 and commit 0215cbc02 ("make install, make
install-strip", 2015-09-11).
Move the strip invocation into its own target to allow stripping binaries without having to run the "realinstall" target.
Leave just the "install" and "install-strip" targets.
See commit 099925e18 ("added install-strip, make install now without strip.", 2015-09-10) / PR #60 and commit 0215cbc02 ("make install, make install-strip", 2015-09-11).