docs: switch from test Infura key which seems to have been abducted by someone else

Author: ricmoo

docs.wrm/config.mjs

@@ -35,7 +35,8 @@ export default {
   // Prepare the context for running the examples
   contextify: function(context) {
     Object.assign(context, ethers);
-    context.provider = new ethers.InfuraProvider("mainnet", "49a0efa3aaee4fd99797bfa94d8ce2f1");
+    //context.provider = new ethers.InfuraProvider("mainnet", "49a0efa3aaee4fd99797bfa94d8ce2f1");
+    context.provider = new ethers.InfuraProvider("mainnet");
     context.Uint8Array = Uint8Array;
 
     ethers.InfuraProvider.prototype[inspect.custom] = function(depth, options, inspect) {

docs.wrm/getting-started.wrm

@@ -220,7 +220,6 @@ the data on the blockchain. This can be used to query the current
 account state, fetch historic logs, look up contract code and so on.
 
 _code:  @lang<javascript>
-  //_hide: provider = new InfuraProvider();
 
   // Look up the current block number (i.e. height)
   await provider.getBlockNumber()