dropbear: don't install /usr/lib/opkg/info in package install

Don't install /usr/lib/opkg/info in package install as it doesn't make
sense and conflicts with APK installations.

Fixes: a377aa9ab534 ("add dropkey ssh keys and config files to the conffiles section (#2014)")
Link: https://github.com/openwrt/openwrt/pull/15543
Signed-off-by: Christian Marangi <[email protected]>

package/network/services/dropbear/Makefile

@@ -224,7 +224,6 @@ define Package/dropbear/install
 	$(INSTALL_CONF) ./files/dropbear.config $(1)/etc/config/dropbear
 	$(INSTALL_DIR) $(1)/etc/init.d
 	$(INSTALL_BIN) ./files/dropbear.init $(1)/etc/init.d/dropbear
-	$(INSTALL_DIR) $(1)/usr/lib/opkg/info
 	$(INSTALL_DIR) $(1)/etc/dropbear
 	$(INSTALL_DIR) $(1)/lib/preinit
 	$(INSTALL_DATA) ./files/dropbear.failsafe $(1)/lib/preinit/99_10_failsafe_dropbear