Remove identity-diff crate

Cargo.toml

@@ -7,7 +7,6 @@ members = [
   "identity_core",
   "identity_credential",
   "identity_did",
-  "identity_diff",
   "identity_document",
   "identity_iota",
   "identity_storage",

identity_core/Cargo.toml

@@ -12,7 +12,6 @@ rust-version.workspace = true
 description = "The core traits and types for the identity-rs library."
 
 [dependencies]
-identity-diff = { version = "=0.7.0-alpha.6", path = "../identity_diff", default-features = false, optional = true }
 multibase = { version = "0.9", default-features = false, features = ["std"] }
 serde = { version = "1.0", default-features = false, features = ["std", "derive"] }
 serde_jcs = { version = "0.1", default-features = false }
@@ -36,9 +35,6 @@ proptest = { version = "1.0.0" }
 quickcheck = { version = "1.0" }
 quickcheck_macros = { version = "1.0" }
 
-[features]
-diff = ["identity-diff"]
-
 [package.metadata.docs.rs]
 # To build locally:
 # RUSTDOCFLAGS="--cfg docsrs" cargo +nightly doc --all-features --no-deps --workspace --open

identity_did/Cargo.toml

@@ -22,9 +22,6 @@ thiserror.workspace = true
 proptest = { version = "1.0" }
 serde_json.workspace = true
 
-[features]
-diff = ["identity_core/diff"]
-
 [package.metadata.docs.rs]
 # To build locally:
 # RUSTDOCFLAGS="--cfg docsrs" cargo +nightly doc --all-features --no-deps --workspace --open