Blockly's block paths are inefficient

30% of the path instructions for a simple block are completely redundant and may be deleted.  Specifically the underlined instructions below:

<img width="742" alt="Screen Shot 2022-10-03 at 18 22 01" src="https://user-images.githubusercontent.com/250480/193628707-9bb60009-f70b-4361-b447-c069610b51f8.png">
