Remove image-based logos from templates #16098
Description
Also solves #1890 indirectly
Since we added text based logo support, we can remove MyProjectName images from templates. #1803
Logo is written as text according to the project name:
Checklist
- I fully tested it as developer / designer and created unit / integration tests
- I documented it (or no need to document or I will create a separate documentation issue)
- I worked with the design team to get their idea for UI/UX design (or no need to design for this PR)
- I've assigned reviewer, related labels and set a milestone for this PR
How to test it?
Please describe how this can be tested by the test engineers if it is not already explicit - or remove this section if no need to description.