package/heimdal: drop INSTALL_STAGING = YES

HEIMDAL_INSTALL_STAGING = YES makes no sense since the package was
introduced in 56258f491bf459cbdb2cee1db3267030340755f0 ("heimdal: new
package") since it's a host only package.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/heimdal/heimdal.mk

@@ -8,7 +8,6 @@ HEIMDAL_VERSION = f4faaeaba371fff3f8d1bc14389f5e6d70ca8e17
 HEIMDAL_SITE = $(call github,heimdal,heimdal,$(HEIMDAL_VERSION))
 HOST_HEIMDAL_DEPENDENCIES = host-e2fsprogs host-ncurses host-pkgconf host-libxcrypt host-flex host-bison
 HOST_HEIMDAL_AUTORECONF = YES
-HEIMDAL_INSTALL_STAGING = YES
 # static because of -fPIC issues with e2fsprogs on x86_64 host
 HOST_HEIMDAL_CONF_OPTS = \
 	--disable-shared \