rm TotallyNotJson

TotallyNotJson.roc now lives on the farm in virtual-dom-wip as Json.roc.
Any reference in stdlib or builtins has been removed, as well as the
last places it was used (in python/ruby-interop examples).

crates/compiler/load_internal/src/file.rs

@@ -3630,7 +3630,6 @@ fn load_module<'a>(
         "Decode", ModuleId::DECODE
         "Hash", ModuleId::HASH
         "Inspect", ModuleId::INSPECT
-        "TotallyNotJson", ModuleId::JSON
     }
 
     let (filename, opt_shorthand) = module_name_to_path(src_dir, &module_name, arc_shorthands);