admin/sync: remove old exercices no more in tree

admin/sync/exercices.go

@@ -2,6 +2,7 @@ package sync
 
 import (
 	"fmt"
+	"log"
 	"path"
 	"strings"
 	"strconv"
@@ -84,6 +85,19 @@ func SyncExercices(i Importer, theme fic.Theme) []string {
 				}
 			}
 		}
+
+		// Remove old exercices
+		if exercices, err := theme.GetExercices(); err == nil {
+			log.Println(emap)
+			for _, ex := range exercices {
+				if _, ok := emap[ex.Title]; !ok {
+					log.Println(ok)
+					ex.Delete()
+				} else {
+					log.Println(ok)
+				}
+			}
+		}
 	}
 	return errs
 }