Remove unneeded per-rule *INSTALL variables. * NEWS: Update. * lib/am/data.am (%DIR%%PRIMARY%_INSTALL): Remove. (install-%DIR%%PRIMARY%): Adjust. * lib/am/libs.am (%DIR%LIBRARIES_INSTALL): Remove. (install-%DIR%LIBRARIES): Adjust. * lib/am/ltlibs.am (%DIR%LTLIBRARIES_INSTALL): Remove. (install-%DIR%LTLIBRARIES): Adjust. * lib/am/progs.am (%DIR%PROGRAMS_INSTALL): Remove. (install-%DIR%PROGRAMS): Adjust. * lib/am/python.am (%DIR%PYTHON_INSTALL): Remove. (install-%DIR%PYTHON): Adjust. * lib/am/scripts.am (%DIR%SCRIPT_INSTALL): Remove. (install-%DIR%SCRIPTS): Adjust. Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>