[pin/routine_replace] Remove dead code.
[pin/routine_replace] Remove dead code.

8l/Graphite,fhijaz/Graphite,mit-carbon/Graphite-Cycle-Level,fhijaz/Graphite,victorisildur/Graphite,victorisildur/Graphite,nkawahara/Graphite,mit-carbon/Graphite-Cycle-Level,mit-carbon/Graphite,fhijaz/Graphite,mit-carbon/Graphite,mit-carbon/Graphite,fhijaz/Graphite,mit-carbon/Graphite,8l/Graphite,nkawahara/Graphite,nkawahara/Graphite,nkawahara/Graphite,mit-carbon/Graphite-Cycle-Level,8l/Graphite,victorisildur/Graphite,mit-carbon/Graphite-Cycle-Level,8l/Graphite,victorisildur/Graphite