Update secp256k1 and remove unrequired usage (#3502)

* Update secp256k1 and remove unrequired usage

* Rename missed old crate names

* Enable required feature

polkadot/Cargo.lock

@@ -2688,6 +2688,17 @@ dependencies = [
  "hmac 0.7.1",
 ]
 
+[[package]]
+name = "hmac-drbg"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "17ea0a1394df5b6574da6e0c1ade9e78868c9fb0a4e5ef4428e32da4676b85b1"
+dependencies = [
+ "digest 0.9.0",
+ "generic-array 0.14.4",
+ "hmac 0.8.1",
+]
+
 [[package]]
 name = "hostname"
 version = "0.3.1"
@@ -3363,7 +3374,6 @@ dependencies = [
  "frame-system-rpc-runtime-api",
  "frame-try-runtime",
  "hex-literal",
- "libsecp256k1",
  "log",
  "pallet-authority-discovery",
  "pallet-authorship",
@@ -3582,7 +3592,7 @@ dependencies = [
  "futures 0.3.15",
  "futures-timer 3.0.2",
  "lazy_static",
- "libsecp256k1",
+ "libsecp256k1 0.3.5",
  "log",
  "multihash",
  "multistream-select",
@@ -3984,13 +3994,61 @@ dependencies = [
  "arrayref",
  "crunchy",
  "digest 0.8.1",
- "hmac-drbg",
+ "hmac-drbg 0.2.0",
  "rand 0.7.3",
  "sha2 0.8.2",
  "subtle 2.2.3",
  "typenum",
 ]
 
+[[package]]
+name = "libsecp256k1"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c9d220bc1feda2ac231cb78c3d26f27676b8cf82c96971f7aeef3d0cf2797c73"
+dependencies = [
+ "arrayref",
+ "base64 0.12.3",
+ "digest 0.9.0",
+ "hmac-drbg 0.3.0",
+ "libsecp256k1-core",
+ "libsecp256k1-gen-ecmult",
+ "libsecp256k1-gen-genmult",
+ "rand 0.7.3",
+ "serde",
+ "sha2 0.9.2",
+ "typenum",
+]
+
+[[package]]
+name = "libsecp256k1-core"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0f6ab710cec28cef759c5f18671a27dae2a5f952cdaaee1d8e2908cb2478a80"
+dependencies = [
+ "crunchy",
+ "digest 0.9.0",
+ "subtle 2.2.3",
+]
+
+[[package]]
+name = "libsecp256k1-gen-ecmult"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ccab96b584d38fac86a83f07e659f0deafd0253dc096dab5a36d53efe653c5c3"
+dependencies = [
+ "libsecp256k1-core",
+]
+
+[[package]]
+name = "libsecp256k1-gen-genmult"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "67abfe149395e3aa1c48a2beb32b068e2334402df8181f818d3aee2b304c4f5d"
+dependencies = [
+ "libsecp256k1-core",
+]
+
 [[package]]
 name = "libz-sys"
 version = "1.0.25"
@@ -4736,7 +4794,7 @@ dependencies = [
  "frame-support",
  "frame-system",
  "hex",
- "libsecp256k1",
+ "libsecp256k1 0.3.5",
  "log",
  "pallet-beefy",
  "pallet-mmr",
@@ -6733,7 +6791,6 @@ dependencies = [
  "frame-system-rpc-runtime-api",
  "frame-try-runtime",
  "hex-literal",
- "libsecp256k1",
  "log",
  "pallet-authority-discovery",
  "pallet-authorship",
@@ -6810,7 +6867,7 @@ dependencies = [
  "frame-system",
  "hex-literal",
  "impl-trait-for-tuples",
- "libsecp256k1",
+ "libsecp256k1 0.6.0",
  "log",
  "pallet-authorship",
  "pallet-babe",
@@ -6863,7 +6920,6 @@ dependencies = [
  "frame-system",
  "futures 0.3.15",
  "hex-literal",
- "libsecp256k1",
  "log",
  "pallet-authority-discovery",
  "pallet-authorship",
@@ -7143,7 +7199,6 @@ dependencies = [
  "frame-system",
  "frame-system-rpc-runtime-api",
  "hex-literal",
- "libsecp256k1",
  "log",
  "pallet-authority-discovery",
  "pallet-authorship",
@@ -8522,7 +8577,7 @@ source = "git+https://github.com/paritytech/substrate?branch=master#bfca1a91f760
 dependencies = [
  "derive_more",
  "lazy_static",
- "libsecp256k1",
+ "libsecp256k1 0.3.5",
  "log",
  "parity-scale-codec",
  "parity-wasm 0.42.2",
@@ -9789,7 +9844,7 @@ dependencies = [
  "hex",
  "impl-serde",
  "lazy_static",
- "libsecp256k1",
+ "libsecp256k1 0.3.5",
  "log",
  "merlin",
  "num-traits",
@@ -9885,7 +9940,7 @@ source = "git+https://github.com/paritytech/substrate?branch=master#bfca1a91f760
 dependencies = [
  "futures 0.3.15",
  "hash-db",
- "libsecp256k1",
+ "libsecp256k1 0.3.5",
  "log",
  "parity-scale-codec",
  "parking_lot 0.11.1",
@@ -11988,7 +12043,6 @@ dependencies = [
  "frame-system-rpc-runtime-api",
  "frame-try-runtime",
  "hex-literal",
- "libsecp256k1",
  "log",
  "pallet-authority-discovery",
  "pallet-authorship",