Remove unused imports

db/src/lib.rs

@@ -1,6 +1,5 @@
 use std::path::PathBuf;
-use std::sync::{Arc, Mutex};
-use color_eyre::eyre::eyre;
+use std::sync::{Arc};
 use rocksdb::{ColumnFamilyDescriptor, IteratorMode, OptimisticTransactionDB, Options};
 use serde::{Serialize};
 use serde::de::DeserializeOwned;