get rid of delta

Author: macalinao

nix/home/common.nix

@@ -135,14 +135,10 @@
     enable = true;
     git = {
       enable = true;
+      diffToolMode = true;
     };
   };
 
-  programs.delta = {
-    enable = true;
-    enableGitIntegration = true;
-  };
-
   programs.go = {
     enable = true;
   };