refactor: nixify / clean remaining dots scripts

home/modules/shell/bash.nix

@@ -1,7 +1,6 @@
 {
   config,
   lib,
-  lib',
   ...
 }:
 
@@ -22,11 +21,6 @@ in
       };
     };
 
-    addBinToPath = lib.mkOption {
-      type = lib.types.bool;
-      default = false;
-    };
-
     extraInit = lib.mkOption {
       type = lib.types.lines;
       default = "";
@@ -65,7 +59,5 @@ in
         ${cfg.extraInit}
       '';
     };
-
-    home.sessionPath = lib.optional cfg.addBinToPath "${lib'.dotsPath}/.bin";
   };
 }