Revert "Introduce helper function and constant to access the toolchain"
Revert "Introduce helper function and constant to access the toolchain"

These helper entities are too trivial.

This reverts commit 030f19dda5a6f8001b296eac0bdd580d8f286e13.

phst/rules_elisp,phst/rules_elisp,phst/rules_elisp,phst/rules_elisp,phst/rules_elisp