librdkafka.redist

librdkafka.redist linux libraries

Libraries are listed in recommended load order (for confluent-kafka-dotnet).

File	SSL	GSSAPI/Kerberos	Distro	Min glibc version
`runtimes/linux-x64/native/centos7-librdkafka.so`	Dynamically linked	Dynamically linked	CentOS 7	>= 2.16
`runtimes/linux-x64/native/librdkafka.so`	Dynamically linked	Dynamically linked	Ubuntu 14.04	>= 2.16
`runtimes/linux-x64/native/debian9-librdkafka.so`	Builtin	No	Debian 9	>= 2.17
`runtimes/linux-x64/native/alpine-librdkafka.so`	Builtin	No	Alpine	n/a

File	SSL	GSSAPI/Kerberos	Distro	Min glibc version
`runtimes/linux-x64/native/centos7-librdkafka.so`	Dynamically linked	Dynamically linked	CentOS 7	>= 2.16
`runtimes/linux-x64/native/librdkafka.so`	Dynamically linked	Dynamically linked	Ubuntu 14.04	>= 2.16
`runtimes/linux-x64/native/centos6-librdkafka.so`	Builtin	No	CentOS 6	>= 2.12
`runtimes/linux-x64/native/alpine-librdkafka.so`	Builtin	No	Alpine	n/a

This removes the debian9-librdkafka.so build and replaces with a more portable centos6-librdkafka build.