Update README to remove sales contact details (#1104)

Removed commercial support contact information from README.

Author: vleyva

README.md

@@ -20,8 +20,7 @@ For the latest version information and changes see the [Change Log](https://gith
 
 The Java and C++ SBE implementations work very efficiently with the [Aeron](https://github.com/aeron-io/aeron)
 messaging system for low-latency and high-throughput communications. The Java SBE implementation has a dependency on
-[Agrona](https://github.com/aeron-io/agrona) for its buffer implementations. Commercial support is available from
-[sales@real-logic.co.uk](mailto:sales@real-logic.co.uk?subject=SBE).
+[Agrona](https://github.com/aeron-io/agrona) for its buffer implementations.
 
 Binaries
 --------