Please revert commit a2bd861

Commit a2bd861 (most recent commit on 2021Q4) breaks the ports build:

[00:10:17] Warning: (www/firefox): Error: www/firefox depends on nonexistent origin 'devel/wasi-compiler-rt12'; Please contact maintainer of the port to fix this.
[00:11:44] Error: Fatal errors encountered gathering initial ports metadata

Please revert this commit so ports can be built.

Ypurs,
Robert Clausecker

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