- added no_ldflags_in_gdlib-config.in patch which removes propagate in

- added no_ldflags_in_gdlib-config.in patch which removes propagate in
  gdlib-config script LDFLAGS used on linking libgd into projects which will
  use libgd (seems kind gd maintainer misundesrstending of idea *-config
  scripts),
- remove workaroud for not propagate LDFLAGS in gdlib-config (isn't now
  neccessary),
- remove %define shlibver (also isn't neccessary now).

Changed files:
    gd.spec -> 1.81