graphANNIS core does not need strum

Author: thomaskrause

core/Cargo.toml

@@ -33,8 +33,6 @@ serde_bytes = "0.11"
 serde_derive = "1.0"
 smallvec = "1.6"
 sstable = "0.11"
-strum = "0.21"
-strum_macros = "0.21"
 tempfile = "3.1"
 thiserror = "1"
 toml = "0.8"