Merge pull request stratum-mining#1237 from GPTechinno/const-sv2-simplify-deps

const_sv2: remove unused dep (secp256k1)

Author: GitGab19

protocols/v2/const-sv2/Cargo.toml

@@ -13,14 +13,8 @@ keywords = ["stratum", "mining", "bitcoin", "protocol"]
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
-[dependencies]
-secp256k1 = { version = "0.28.2", default-features = false, features =["hashes", "alloc","rand","rand-std"] }
-
-#[dev-dependencies]
-#cbindgen = "0.16.0"
-
 [features]
 no_std = []
 
 [package.metadata.docs.rs]
-all-features = true
+all-features = true