nixos/modules: remove trailing whitespace

This leads to ci failure otherwise if the file gets changed.
git-blame can ignore whitespace changes.

nixos/modules/programs/autojump.nix

@@ -18,7 +18,7 @@ in
         '';
       };
     };
-  }; 
+  };
 
   ###### implementation
 
@@ -26,7 +26,7 @@ in
     environment.pathsToLink = [ "/share/autojump" ];
     environment.systemPackages = [ pkgs.autojump ];
 
-    programs.bash.interactiveShellInit = "source ${pkgs.autojump}/share/autojump/autojump.bash"; 
+    programs.bash.interactiveShellInit = "source ${pkgs.autojump}/share/autojump/autojump.bash";
     programs.zsh.interactiveShellInit = mkIf prg.zsh.enable "source ${pkgs.autojump}/share/autojump/autojump.zsh";
     programs.fish.interactiveShellInit = mkIf prg.fish.enable "source ${pkgs.autojump}/share/autojump/autojump.fish";
   };

nixos/modules/programs/freetds.nix

@@ -25,7 +25,7 @@ in
           ''';
         }
       '';
-      description = 
+      description =
         ''
         Configure freetds database entries. Each attribute denotes
         a section within freetds.conf, and the value (a string) is the config
@@ -47,7 +47,7 @@ in
     environment.variables.FREETDS = "/etc/freetds.conf";
     environment.variables.SYBASE = "${pkgs.freetds}";
 
-    environment.etc."freetds.conf" = { text = 
+    environment.etc."freetds.conf" = { text =
       (concatStrings (mapAttrsToList (name: value:
         ''
         [${name}]