Revert "Merge fonts with DejaVu Sans for missing characters (hearts etc.)"

This reverts commit f4c565da82f1feffa3e333cdc183f221b71090ae.
Revert "Merge HEMA fonts with DejaVu Sans for missing symbols (hearts etc.)"

This reverts commit 5f5791712de43db53ceabb9c6e43b9f92709ad9a.
Revert "Added black heart (U+2665) to character map for HEMAPro font"

This reverts commit 00dbe871c9dcd57f3f20edbc8a733c826637629f.