docs: remove html comment (#234)

Author: onbjerg

src/pages/cli/download.mdx

@@ -26,22 +26,6 @@ tempo download [flags]
 
 ## Examples
 
-<!--
-This is broken:
-
-Download the latest mainnet snapshot:
-
-```bash
-tempo download --chain mainnet
-```
-
-Download to a specific directory:
-
-```bash
-tempo download --chain mainnet --datadir /data/tempo
-```
-!-->
-
 Download a snapshot from https://snapshots.tempoxyz.dev:
 
 ```bash