chore: Revert upstream

> temporarily disable upstream#471 (should be addressed in #10 and #11)
> disable upstream#466
> disable upstream#474
> noop for upstream#455 (excluded in supported build targets)
> partial revert for upstream#405 (including previous merge commit)

hooks/avshook.cpp

@@ -179,11 +179,6 @@ static int avs_fs_lstat(const char *name, struct avs::core::avs_stat *st) {
         return 1;
     }
 
-    if (!hooks::avs::config::DISABLE_CACHE && (st != nullptr) &&
-        avs::game::is_model("LDJ") && is_ldj_cacheable_file(name)) {
-        return cached_avs_fs_lstat(name, st);
-    }
-
     const auto value = avs::core::avs_fs_lstat(name, st);
     if (!is_spam_file(name)) {
         WRAP_DEBUG_FMT("name: {}", name);