various: remove syslog.target unit dependency (#154633)

Resolves #149721

nixos/modules/services/networking/connman.nix

@@ -100,7 +100,7 @@ in {
     systemd.services.connman = {
       description = "Connection service";
       wantedBy = [ "multi-user.target" ];
-      after = [ "syslog.target" ] ++ lib.optional enableIwd "iwd.service";
+      after = lib.optional enableIwd "iwd.service";
       requires = lib.optional enableIwd "iwd.service";
       serviceConfig = {
         Type = "dbus";
@@ -119,7 +119,6 @@ in {
     systemd.services.connman-vpn = lib.mkIf cfg.enableVPN {
       description = "ConnMan VPN service";
       wantedBy = [ "multi-user.target" ];
-      after = [ "syslog.target" ];
       before = [ "connman.service" ];
       serviceConfig = {
         Type = "dbus";

nixos/modules/services/networking/keepalived/default.nix

@@ -308,7 +308,7 @@ in
 
     systemd.timers.keepalived-boot-delay = {
       description = "Keepalive Daemon delay to avoid instant transition to MASTER state";
-      after = [ "network.target" "network-online.target" "syslog.target" ];
+      after = [ "network.target" "network-online.target" ];
       requires = [ "network-online.target" ];
       wantedBy = [ "multi-user.target" ];
       timerConfig = {
@@ -321,7 +321,7 @@ in
       finalConfigFile = if cfg.secretFile == null then keepalivedConf else "/run/keepalived/keepalived.conf";
     in {
       description = "Keepalive Daemon (LVS and VRRP)";
-      after = [ "network.target" "network-online.target" "syslog.target" ];
+      after = [ "network.target" "network-online.target" ];
       wants = [ "network-online.target" ];
       serviceConfig = {
         Type = "forking";

nixos/modules/services/security/aesmd.nix

@@ -110,11 +110,7 @@ in
         description = "Intel Architectural Enclave Service Manager";
         wantedBy = [ "multi-user.target" ];
 
-        after = [
-          "auditd.service"
-          "network.target"
-          "syslog.target"
-        ];
+        after = [ "auditd.service" "network.target" ];
 
         environment = {
           NAME = "aesm_service";