Remove man pages (HDFGroup#489)

The few man pages in the HDF4 library are woefully incomplete and/or
outdated.  We have no resources to properly update those and to add the
missing ones. Instead, we will try to create better man pages from Doxygen.

Makefile.am

@@ -13,7 +13,7 @@ else
    JAVA_DIR=
 endif
 
-SUBDIRS = hdf mfhdf $(JAVA_DIR) man
+SUBDIRS = hdf mfhdf $(JAVA_DIR)
 # install libhdf4.settings in lib directory
 settingsdir = $(libdir)
 settings_DATA = libhdf4.settings

README.md

@@ -109,8 +109,6 @@ Source Distribution Layout
    mfhdf  -- The netCDF(mfhdf) part of the HDF/mfhdf distribution and
              additional HDF utilities, such as hdp, hrepack, hdfimport, etc.
 
-   man    -- An incomplete set of man page(s) for HDF.
-
    release\_notes -- 
              Installation instructions for UNIX and Windows.
              Descriptions of new features and bug fixes in this release.

configure.ac

@@ -1251,7 +1251,6 @@ AC_CONFIG_FILES([Makefile
                  hdf/util/h4fc
                  hdf/util/h4redeploy
                  hdf/util/testutil.sh
-                 man/Makefile
                  mfhdf/fortran/ftest.f
                  mfhdf/fortran/jackets.c
                  mfhdf/fortran/netcdf.inc