remove plugin dependency. update readme.md

[severus-ho]

Description

Import other package in this plugin would cause error, so changed this variable to hard-coded project id

Another modification is to remove useless content in README.MD

Checklist

Before submitting this PR, please make sure (put X in square brackets):

• I have performed a self-review of my code.
• I have necessary comments in my code, particularly in hard-to-understand areas.
• I have run one-shot tests and provided workload links above if applicable.
• I have made or will make corresponding changes to the doc if needed.