nixos/davfs2: remove lib.mdDoc (no-op)

nixos/modules/services/network-filesystems/davfs2.nix

@@ -23,7 +23,7 @@ in
     enable = mkOption {
       type = types.bool;
       default = false;
-      description = lib.mdDoc ''
+      description = ''
         Whether to enable davfs2.
       '';
     };
@@ -31,7 +31,7 @@ in
     davUser = mkOption {
       type = types.str;
       default = "davfs2";
-      description = lib.mdDoc ''
+      description = ''
         When invoked by root the mount.davfs daemon will run as this user.
         Value must be given as name, not as numerical id.
       '';
@@ -40,7 +40,7 @@ in
     davGroup = mkOption {
       type = types.str;
       default = "davfs2";
-      description = lib.mdDoc ''
+      description = ''
         The group of the running mount.davfs daemon. Ordinary users must be
         member of this group in order to mount a davfs2 file system. Value must
         be given as name, not as numerical id.
@@ -55,7 +55,7 @@ in
         proxy foo.bar:8080
         use_locks 0
       '';
-      description = lib.mdDoc ''
+      description = ''
         Extra lines appended to the configuration of davfs2.
         See {manpage}`davfs2.conf(5)` for available settings.
 
@@ -77,7 +77,7 @@ in
           use_locks = 0;
         }
       '';
-      description = lib.mdDoc ''
+      description = ''
         Extra settings appended to the configuration of davfs2.
         See {manpage}`davfs2.conf(5)` for available settings.
       ''  ;