Update README.md

remove duplicated entry in unordered list

examples/protocols/modbus/mb_example_common/README.md

@@ -3,8 +3,7 @@
 This directory contains component that is common for Modbus master and slave examples. The component defines Modbus parameters that are shared between examples and provide code that you can copy and adapt into your own projects.
 For more information please refer to Modbus example README.md files located in the folders:
 
-* `examples/protocols/modbus/serial/mb_master` Modbus serial master implementation (RTU and ASCII)
 * `examples/protocols/modbus/serial/mb_slave` Modbus serial slave implementation (RTU and ASCII)
 * `examples/protocols/modbus/serial/mb_master` Modbus serial master implementation (RTU and ASCII)
 * `examples/protocols/modbus/tcp/mb_tcp_slave` Modbus serial slave implementation (TCP)
-* `examples/protocols/modbus/tcp/mb_tcp_master` Modbus serial master implementation (TCP)
+* `examples/protocols/modbus/tcp/mb_tcp_master` Modbus serial master implementation (TCP)