ssh: Fix issues with trying different keys

modules/users/alexander.nix

@@ -23,23 +23,15 @@
 
       programs.ssh = {
         enable = true;
+        extraConfig = ''
+        IdentitiesOnly      yes
+        '';
+        includes = [
+          "config.d/*"
+        ];
         matchBlocks = let
           sshPort = 1847;
         in {
-          ayame = {
-            port = sshPort;
-            hostname = "78.46.184.48";
-            user = "alexander";
-            identityFile = "~/.ssh/polynom.me_ayame";
-            identitiesOnly = true;
-          };
-          taihou = {
-            port = 22;
-            hostname = "78.47.22.95";
-            user = "root";
-            identityFile = "~/.ssh/hetzner";
-            identitiesOnly = true;
-          };
           "git.polynom.me" = {
             port = 2222;
             user = "gitea";