Analyze TODOs

[katarzyna-kulpa]

Describe the bug
Analyze all TODO in the csi code. Remove not needed.

Environment (please complete the following information):

• Hardware: [e.g. Dell PowerEdge]
• OS: [e.g. Ubuntu, run printf "$(uname -srm)\n$(cat /etc/os-release)\n"]
• Version: [e.g. 1.0.0]

To Reproduce
Steps to reproduce the behavior.

Expected behavior
A clear and concise description of what you expected to happen.

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Additional context
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