Removing and managing useless logs

[RingoTC]

In our project, many useless logs need to be removed. And the log level should be modified also.
Please find the useless logs and modified log into appropriate log level.

Some hints:

• Please read our readme for more information/guide/tutorial.
• For design guidelines checkout our Figma design.
• Here is an engineering book in Greenstand.
• To know more about our organization, visit our website.
• If you want to join the slack community (some resources need the community member's permission), please leave your email address.