Revert "package/libtirpc: install rpc.h"

This reverts commit b991962993357092625e5b18d8203acd1e9b8b1f, which was
incomplete and did not actually fix the issue it purported to fix, and
we'll soon commit a proper fix.

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
[yann.morin.1998@free.fr: explain the reason for reverting]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/libtirpc/libtirpc.mk

@@ -21,7 +21,6 @@ LIBTIRPC_CONF_ENV = CFLAGS="$(TARGET_CFLAGS) -DGQ"
 LIBTIRPC_CONF_OPTS = --disable-gssapi
 
 define HOST_LIBTIRPC_INSTALL_CMDS
-	$(INSTALL) -D -m 0644 $(@D)/tirpc/rpc/rpc.h $(HOST_DIR)/include/rpc/rpc.h
 	$(INSTALL) -D -m 0644 $(@D)/tirpc/rpc/types.h $(HOST_DIR)/include/rpc/types.h
 	$(INSTALL) -D -m 0644 $(@D)/tirpc/netconfig.h $(HOST_DIR)/include/netconfig.h
 endef