Update README.md -> manually creating configuration is no longer rquired

README.md

@@ -1,12 +1,3 @@
 # lambda
 
-In order to run this program you must have a file named `lambda.toml` that specifies your config.
-Here is an example:
-
-```toml
-Server = "example.com:5222"
-Username = "user@example.com"
-Password = "123456789"
-Insecure = false
-Nick = "User"
-```
+an XMPP client