Don't manually register kernel_netlink_net

Load complete kernel_netlink plugin instead. Registering the TKM
specific plugins first still ensures that the correct ipsec plugin
is used.

Lazy initialize the RNG_WEAK plugin to avoid the unsatisfiable
soft dependency on startup.

src/charon-tkm/tests/test_runner.c

@@ -17,7 +17,6 @@
 #include <library.h>
 #include <hydra.h>
 #include <daemon.h>
-#include <plugins/kernel_netlink/kernel_netlink_net.h>
 
 #include "tkm.h"
 #include "tkm_nonceg.h"
@@ -44,9 +43,6 @@ int main(void)
 			PLUGIN_PROVIDE(DH, MODP_4096_BIT),
 		PLUGIN_CALLBACK(kernel_ipsec_register, tkm_kernel_ipsec_create),
 			PLUGIN_PROVIDE(CUSTOM, "kernel-ipsec"),
-			PLUGIN_DEPENDS(RNG, RNG_WEAK),
-		PLUGIN_CALLBACK(kernel_net_register, kernel_netlink_net_create),
-			PLUGIN_PROVIDE(CUSTOM, "kernel-net"),
 	};
 	lib->plugins->add_static_features(lib->plugins, "tkm-tests", features,
 			countof(features), TRUE);