Merge branch 'filbertn/euclid-docs' of https://github.com/scroll-tech/scroll-documentation into filbertn/euclid-docs

Author: filbert-nicholas

src/content/docs/en/technology/overview/scroll-upgrades.mdx

@@ -15,6 +15,4 @@ The following contracts are used to initiate upgrades and execute upgrades after
 | L1 Scroll Multisig | Ethereum| [`0xEfc9D1096fb65c832207E5e7F13C2D1102244dbe`](https://etherscan.io/address/0xEfc9D1096fb65c832207E5e7F13C2D1102244dbe)| 
 | L1 Timelock |  Ethereum| [`0x1A658B88fD0a3c82fa1a0609fCDbD32e7dd4aB9C`](https://etherscan.io/address/0x1A658B88fD0a3c82fa1a0609fCDbD32e7dd4aB9C)| 
 | L2 Scroll Multisig | Scroll| [`0xEfc9D1096fb65c832207E5e7F13C2D1102244dbe`](https://scrollscan.com/address/0xEfc9D1096fb65c832207E5e7F13C2D1102244dbe)|
-| L2 Timelock | Scroll | [`0xf6069DB81239E5194bb53f83aF564d282357bc99`](https://scrollscan.com/address/0xf6069DB81239E5194bb53f83aF564d282357bc99)|
-
-You can join our [Telegram channel for technical updates](https://t.me/scroll_tech_updates), which includes future upgrade announcements and on-chain operation events.
+| L2 Timelock | Scroll | [`0xf6069DB81239E5194bb53f83aF564d282357bc99`](https://scrollscan.com/address/0xf6069DB81239E5194bb53f83aF564d282357bc99)|