package/libpcap: remove unnecessary dependency on zlib

The libpcap package currently depends on zlib, but this is not
needed. The commit removes this non-mandatory dependency.

Signed-off-by: Mircea Gliga <gliga.mircea@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/libpcap/Config.in

@@ -1,7 +1,6 @@
 config BR2_PACKAGE_LIBPCAP
 	bool "libpcap"
 	select BR2_PACKAGE_BLUEZ5_UTILS_HEADERS if BR2_PACKAGE_BLUEZ5_UTILS
-	select BR2_PACKAGE_ZLIB
 	help
 	  A system-independent library for user-level network packet
 	  capture.

package/libpcap/libpcap.mk

@@ -9,7 +9,7 @@ LIBPCAP_SITE = http://www.tcpdump.org/release
 LIBPCAP_LICENSE = BSD-3-Clause
 LIBPCAP_LICENSE_FILES = LICENSE
 LIBPCAP_INSTALL_STAGING = YES
-LIBPCAP_DEPENDENCIES = zlib host-flex host-bison
+LIBPCAP_DEPENDENCIES = host-flex host-bison
 
 LIBPCAP_CONF_ENV = \
 	ac_cv_header_linux_wireless_h=yes \