Fix "error opening file" errors in tests for Windows

This sort of just punts on the problem by not creating log files in the
tests, but it seemed like the simplest solution.

server/configs/cluster.conf

@@ -11,7 +11,6 @@ authorization {
 }
 
 pid_file: '/tmp/nats_cluster_test.pid'
-log_file: '/tmp/nats_cluster_test.log'
 
 cluster {
   host: 127.0.0.1

server/configs/reload/authorization_1.conf

@@ -1,7 +1,6 @@
 # Copyright 2017 Apcera Inc. All rights reserved.
 
 listen:   localhost:-1
-log_file: "/tmp/gnatsd.log"
 
 authorization {
   # Our role based permissions.

server/configs/reload/authorization_2.conf

@@ -1,7 +1,6 @@
 # Copyright 2017 Apcera Inc. All rights reserved.
 
 listen:   localhost:-1
-log_file: "/tmp/gnatsd.log"
 
 authorization {
   # Our role based permissions.

server/configs/reload/basic.conf

@@ -1,4 +1,3 @@
 # Copyright 2017 Apcera Inc. All rights reserved.
 
 listen:   localhost:-1
-log_file: "/tmp/gnatsd.log"

server/configs/reload/max_connections.conf

@@ -1,6 +1,5 @@
 # Copyright 2017 Apcera Inc. All rights reserved.
 
 listen:   localhost:-1
-log_file: "/tmp/gnatsd.log"
 
 max_connections: 1

server/configs/reload/max_payload.conf

@@ -1,6 +1,5 @@
 # Copyright 2017 Apcera Inc. All rights reserved.
 
 listen:   localhost:-1
-log_file: "/tmp/gnatsd.log"
 
 max_payload: 1

server/configs/reload/multiple_users_1.conf

@@ -1,7 +1,6 @@
 # Copyright 2017 Apcera Inc. All rights reserved.
 
 listen:   localhost:-1
-log_file: "/tmp/gnatsd.log"
 
 authorization {
     users = [

server/configs/reload/multiple_users_2.conf

@@ -1,7 +1,6 @@
 # Copyright 2017 Apcera Inc. All rights reserved.
 
 listen:   localhost:-1
-log_file: "/tmp/gnatsd.log"
 
 authorization {
     users = [

server/configs/reload/reload.conf

@@ -6,7 +6,6 @@ trace:         true # enable on reload
 logtime:       true # enable on reload
 syslog:        true # enable on reload
 remote_syslog: "udp://localhost:514" # change on reload
-log_file:      "/tmp/gnatsd-2.log" # change on reload
 
 pid_file:         "/tmp/gnatsd.pid" # change on reload
 max_control_line: 512 # change on reload

server/configs/reload/reload_unsupported.conf

@@ -4,4 +4,3 @@
 debug:   false
 trace:   true
 logtime: true # logtime not supported on config reload
-log_file: "/tmp/gnatsd.log"

server/configs/reload/single_user_authentication_1.conf

@@ -1,7 +1,6 @@
 # Copyright 2017 Apcera Inc. All rights reserved.
 
 listen:   localhost:-1
-log_file: "/tmp/gnatsd.log"
 
 authorization {
     user:     tyler

server/configs/reload/single_user_authentication_2.conf

@@ -1,7 +1,6 @@
 # Copyright 2017 Apcera Inc. All rights reserved.
 
 listen:   localhost:-1
-log_file: "/tmp/gnatsd.log"
 
 authorization {
     user:     derek

server/configs/reload/test.conf

@@ -4,7 +4,6 @@
 debug:   false
 trace:   false
 logtime: false
-log_file: "/tmp/gnatsd.log"
 
 cluster {
     listen:       localhost:-1

server/configs/reload/tls_test.conf

@@ -3,7 +3,6 @@
 # Simple TLS config file
 
 listen:   localhost:-1
-log_file: "/tmp/gnatsd.log"
 
 tls {
   cert_file:  "./configs/certs/server.pem"

server/configs/reload/tls_verify_test.conf

@@ -3,7 +3,6 @@
 # Simple TLS config file
 
 listen:   localhost:-1
-log_file: "/tmp/gnatsd.log"
 
 tls {
   cert_file:  "./configs/certs/cert.new.pem"

server/configs/reload/token_authentication_1.conf

@@ -1,7 +1,6 @@
 # Copyright 2017 Apcera Inc. All rights reserved.
 
 listen:   localhost:-1
-log_file: "/tmp/gnatsd.log"
 
 authorization {
     token: T0pS3cr3t

server/configs/reload/token_authentication_2.conf

@@ -1,7 +1,6 @@
 # Copyright 2017 Apcera Inc. All rights reserved.
 
 listen:   localhost:-1
-log_file: "/tmp/gnatsd.log"
 
 authorization {
     token: passw0rd

server/configs/test.conf

@@ -16,7 +16,6 @@ authorization {
 debug:   false
 trace:   true
 logtime: false
-log_file: "/tmp/gnatsd.log"
 syslog: true
 remote_syslog: "udp://foo.com:33"