Docs - Fix issues in document (#408)

* Update release note
* Update required Docker version (thanks to @chhwang)

Author: abuccts

docs/getting-started/installation.mdx

@@ -96,7 +96,7 @@ Here're the system requirements for all managed GPU nodes.
 
 * Latest version of Linux, you're highly encouraged to use Ubuntu 18.04 or later.
 * Compatible GPU drivers should be installed correctly. Driver version can be checked by running `nvidia-smi`.
-* [Docker CE](https://docs.docker.com/engine/install/) version 19.03 or later (which can be checked by running `docker --version`).
+* [Docker CE](https://docs.docker.com/engine/install/) version 20.10 or later (which can be checked by running `docker --version`).
 * NVIDIA GPU support in Docker, install
   [nvidia-container-toolkit](https://docs.nvidia.com/datacenter/cloud-native/container-toolkit/install-guide.html#setting-up-nvidia-container-toolkit).
 
@@ -106,7 +106,7 @@ Here're the system requirements for all managed GPU nodes.
 * Latest version of Linux, you're highly encouraged to use Ubuntu 18.04 or later.
 * Compatible GPU drivers should be installed correctly, and group permission should be set to access GPU resources.
   You should be able to run `rocm-smi` and `rocminfo` directly to check GPU usage and information.
-* [Docker CE](https://docs.docker.com/engine/install/) version 19.03 or later (which can be checked by running `docker --version`).
+* [Docker CE](https://docs.docker.com/engine/install/) version 20.10 or later (which can be checked by running `docker --version`).
 
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website/blog/2022-09-01-release-0-6.md

@@ -33,14 +33,6 @@ You can install and try superbench by following [Getting Started Tutorial](https
 
 ### Micro-benchmark Improvements
 
-- Support NIC only NCCL bandwidth benchmark on single node in NCCL/RCCL bandwidth test.
-- Support bi-directional bandwidth benchmark in GPU copy bandwidth test.
-- Support data checking in GPU copy bandwidth test.
-- Update rccl-tests submodule to fix divide by zero error.
-- Add GPU-Burn micro-benchmark.
-
-### Model-benchmark Improvements
-
 - Fix issues in ib loopback benchmark.
 - Fix stability issue in ib loopback benchmark.