mpfr: removed redundant HOST_FOO_DEPENDENCIES

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/mpfr/mpfr.mk

@@ -10,7 +10,6 @@ MPFR_SOURCE = mpfr-$(MPFR_VERSION).tar.bz2
 MPFR_INSTALL_STAGING = YES
 MPFR_DEPENDENCIES = gmp
 MPFR_MAKE_OPT = RANLIB=$(TARGET_RANLIB)
-HOST_MPFR_DEPENDENCIES = host-gmp
 
 $(eval $(call AUTOTARGETS))
 $(eval $(call AUTOTARGETS,host))