net: http_client: Fix having IPv4 options in prj_bt.conf

IPSP/6LoWPAN is IPv6 only, it cannot transport IPv4 packets.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
diff --git a/samples/net/http_client/prj_bt.conf b/samples/net/http_client/prj_bt.conf
index 5cf4aff..99e375c 100644
--- a/samples/net/http_client/prj_bt.conf
+++ b/samples/net/http_client/prj_bt.conf
@@ -26,8 +26,6 @@
 CONFIG_NET_DEBUG_HTTP_CONN=y
 
 CONFIG_NET_IPV6=y
-CONFIG_NET_IPV4=y
-#CONFIG_NET_DHCPV4=y
 
 CONFIG_HTTPS=n
 CONFIG_MBEDTLS=y
@@ -38,12 +36,9 @@
 
 CONFIG_NET_APP_SETTINGS=y
 CONFIG_NET_APP_MY_IPV6_ADDR="2001:db8::1"
-CONFIG_NET_APP_MY_IPV4_ADDR="192.0.2.1"
 CONFIG_NET_APP_PEER_IPV6_ADDR="2001:db8::2"
-CONFIG_NET_APP_PEER_IPV4_ADDR="192.0.2.2"
 
 CONFIG_NET_APP_NEED_IPV6=y
-CONFIG_NET_APP_NEED_IPV4=y
 
 CONFIG_NET_SHELL=y
 CONFIG_NET_STATISTICS=y