Preprocessor: drop unfinished interface for “det_cond_forecast”

Ref. preprocessor#39

Preprocessor: drop unfinished interface for “det_cond_forecast”
3847df21 · Sébastien Villemot · 31256547 · e137b2df · 53b2a1e9 · e137b2df
Verified Commit 3847df21 authored Jan 28, 2020 by Sébastien Villemot
--- a/preprocessor @ e137b2df
+++ b/preprocessor @ e137b2df
-Subproject commit 53b2a1e926cf12f6107e6e2e568dc462de795acb
+Subproject commit e137b2df62b33731e1cc0cbad052e43eaa5a8836