Update testnet faucets info (#1680)

* Update testnet faucets info

* codereview

---------

Co-authored-by: Raz Landau <125185051+LandauRaz@users.noreply.github.com>

Author: odednaor

modules/ecosystem/pages/overview.adoc

@@ -55,9 +55,7 @@ For complete information on the Starknet JSON-RPC API, see https://github.com/st
 https://blastapi.io/public-api/starknet[Blast^], https://drpc.org/chainlist/starknet#starknet[dRPC^], https://www.lavanet.xyz/get-started/starknet[Lava^], https://onfinality.io/networks/starknet[OnFinality^], and https://zan.top/service/public-rpc/starknet[Zan^] also provide open RPC endpoints.
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-* Sepolia Faucets:
-https://faucet.starknet.io/[Starknet Foundation^] (STRK and ETH)
-and https://www.alchemy.com/faucets/starknet-sepolia[Alchemy^] (ETH only)
+* Sepolia Faucet: https://faucet.starknet.io/[Starknet Foundation^]
 
 * Block explorers:
 https://explorer.cartridge.gg/[Cartridge^],