Remove duplicate project tree specs

What does this MR do?

This removes two duplicate example blocks.

These two example blocks are already present earlier in the same surrounding "context" block.

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation created/updated or follow-up review issue created
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content