chore: remove lazy_static from Cargo.toml

Author: luisschwab

wallet/Cargo.toml

@@ -38,7 +38,6 @@ file_store = ["bdk_file_store"]
 test-utils = ["std"]
 
 [dev-dependencies]
-lazy_static = "1.4"
 assert_matches = "1.5.0"
 tempfile = "3"
 bdk_chain = { version = "0.21.1", features = ["rusqlite"] }