net.unix: cleanup const use_net = net.no_timeout workarounds, use import net as _ instead

Author: spytheman

vlib/net/unix/aasocket.c.v

@@ -1,8 +1,6 @@
 module unix
 
-import net
-
-const use_net = net.no_timeout
+import net as _
 
 const max_sun_path = $if windows {
 	256

vlib/net/unix/use_net_and_net_unix_together_test.v

@@ -1,8 +1,6 @@
 import os
 import net.unix
-import net
-
-const use_net = net.no_timeout // ensure that `net` is used, i.e. no warnings
+import net as _
 
 const tfolder = os.join_path(os.temp_dir(), 'nuut_${os.getpid()}')
 const test_port = os.join_path(tfolder, 'domain_socket')