Revert "ntrboot: add warning for nds-card.com no longer shipping to the US"

This reverts commit 0b1d0a3.

Author: lifehackerhansol

docs/ntrboot.md

@@ -1,11 +1,5 @@
 # ntrboot
 
-::: danger
-
-NDS Card has [suspended outgoing packages to the United States](https://nds-card.com/NewsShow.asp?NewsID=1344). All product links listed below may not ship to the United States. For further support (in English), join [Nintendo Homebrew on Discord](https://discord.gg/MWxPgEp).
-
-:::
-
 ::: tip
 
 If your flashcart comes pre-flashed with ntrboot (or you have already flashed ntrboot to your flashcart), you can skip to [Installing boot9strap (ntrboot)](installing-boot9strap-(ntrboot)) for instructions on how to use it.