pom: remove FutureConverter dependency
<!-- dependencies -->
<grpc.version>1.4.0</grpc.version>
<slf4j.version>1.7.21</slf4j.version>
- <future-converter.version>1.1.0</future-converter.version>
<!-- should be in sync with protobuf grpc dependencies -->
<protobuf.version>3.2.0</protobuf.version>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
</dependency>
- <dependency>
- <groupId>net.javacrumbs.future-converter</groupId>
- <artifactId>future-converter-java8-guava</artifactId>
- <version>${future-converter.version}</version>
- </dependency>
<dependency>
<groupId>org.testng</groupId>
