examples: disable remove_liq and revert to always use rinkeby

rinkeby was deprecated but couldnt bother to find univ2 on goerli
so we just disable the test. this should still work for eg mainnet

examples/remove_liquidity.rs

@@ -27,12 +27,12 @@ async fn main() -> Result<()> {
     let provider = Arc::new({
         // connect to the network
         let provider = Provider::<Http>::try_from(
-            "https://goerli.infura.io/v3/a111fcada47746d990e0e2b7df50d00a",
+            "https://rinkeby.infura.io/v3/a111fcada47746d990e0e2b7df50d00a",
         )?;
         let chain_id = provider.get_chainid().await?;
 
         // this wallet's private key
-        let wallet = "8d978ca83c2e40b7a23933885e6c3bc795caea09374a04a03fbd4e228a06a406"
+        let wallet = "725fd1619b2653b7ff1806bf29ae11d0568606d83777afd5b1f2e649bd5132a9"
             .parse::<LocalWallet>()?
             .with_chain_id(chain_id.as_u64());
 

scripts/examples.sh

@@ -10,6 +10,7 @@ ignored=(
   "subscribe_logs"
   "trezor"
   "yubi"
+  "remove_liquidty"
 )
 
 # run all examples