docs: remove old example from README (#561)

Author: winder

README.md

@@ -198,13 +198,6 @@ This project uses Maven.
 ~$ mvn package
 ```
 
-**To run the example project**
-Use the following command in the examples directory, be sure to update your algod network address and the API token
-parameters (see examples/README for more information):
-```
-~$ mvn exec:java -Dexec.mainClass="com.algorand.algosdk.example.Main" -Dexec.args="127.0.0.1:8080 ***X-Algo-API-Token***"
-```
-
 ### **To test**
 We are using separate version targets for production and testing to allow using JUnit5 for tests. Some IDEs, like IDEA
 do not support this very well. To workaround the issue a special `ide` profile should be enabled if your IDE does not