Update README.md (#1089)

* Remove Maintainers section
* Remove Supporters section

Author: ashni-mehta

README.md

@@ -127,18 +127,3 @@ A couple of manual configuration steps are required to run the code in IntelliJ:
    "Execute Before Build" 
   - Delegate all build actions to Gradle: Settings/Preferences > Build, Execution, Deployment > Build Tools > Gradle > Build and run 
   using/Run tests using - select "Gradle"
-
-## Maintainers
-
-* Jeff Yemin           [email protected]
-* Ross Lawley          [email protected]
-* John Stewart         [email protected]
-
-Additional contributors can be found [here](https://github.com/mongodb/mongo-java-driver/graphs/contributors).
-
-## Supporters
-
-JetBrains is supporting this open source project with:
-
-[![Intellij IDEA](http://www.jetbrains.com/img/logos/logo_intellij_idea.png)](http://www.jetbrains.com/idea/)
-