remove @ethereumjs/util package

package.json

@@ -16,7 +16,6 @@
   "repository": "https://git.dev.yuanben.org/users/maowei/repos/smart-contract-utils/browse",
   "dependencies": {
     "@ethereumjs/tx": "^3.3.2",
-    "@ethereumjs/util": "^8.0.2",
     "@grpc/grpc-js": "^1.2.3",
     "@grpc/proto-loader": "^0.5.5",
     "@poanet/solidity-flattener": "^3.0.6",

yarn.lock

@@ -233,11 +233,6 @@
     "crc-32" "^1.2.0"
     "ethereumjs-util" "^7.1.1"
 
-"@ethereumjs/rlp@^4.0.0-beta.2":
-  "integrity" "sha512-LM4jS5n33bJN60fM5EC8VeyhUgga6/DjCPBV2vWjnfVtobqtOiNC4SQ1MRFqyBSmJGGdB533JZWewyvlcdJtkQ=="
-  "resolved" "https://registry.npmmirror.com/@ethereumjs/rlp/-/rlp-4.0.0.tgz"
-  "version" "4.0.0"
-
 "@ethereumjs/tx@^3.2.1", "@ethereumjs/tx@^3.3.0", "@ethereumjs/tx@^3.3.2":
   "integrity" "sha512-6AaJhwg4ucmwTvw/1qLaZUX5miWrwZ4nLOUsKyb/HtzS3BMw/CasKhdi1ims9mBKeK9sOJCH4qGKOBGyJCeeog=="
   "resolved" "https://registry.npmjs.org/@ethereumjs/tx/-/tx-3.3.2.tgz"
@@ -246,15 +241,6 @@
     "@ethereumjs/common" "^2.5.0"
     "ethereumjs-util" "^7.1.2"
 
-"@ethereumjs/util@^8.0.2":
-  "integrity" "sha512-b1Fcxmq+ckCdoLPhVIBkTcH8szigMapPuEmD8EDakvtI5Na5rzmX1sBW73YQqaPc7iUxGCAzZP1LrFQ7aEMugA=="
-  "resolved" "https://registry.npmmirror.com/@ethereumjs/util/-/util-8.0.2.tgz"
-  "version" "8.0.2"
-  dependencies:
-    "@ethereumjs/rlp" "^4.0.0-beta.2"
-    "async" "^3.2.4"
-    "ethereum-cryptography" "^1.1.2"
-
 "@ethersproject/abi@^5.6.3":
   "integrity" "sha512-351ktp42TiRcYB3H1OP8yajPeAQstMW/yCFokj/AthP9bLHzQFPlOrxOcwYEDkUAICmOHljvN4K39OMTMUa9RA=="
   "resolved" "https://registry.npmmirror.com/@ethersproject/abi/-/abi-5.7.0.tgz"
@@ -822,11 +808,6 @@
   dependencies:
     "lodash" "^4.17.14"
 
-"async@^3.2.4":
-  "integrity" "sha512-iAB+JbDEGXhyIUavoDl9WP/Jj106Kz9DEn1DPgYw5ruDn0e3Wgi3sKFm55sASdGBNOQB8F59d9qQ7deqrHA8wQ=="
-  "resolved" "https://registry.npmmirror.com/async/-/async-3.2.4.tgz"
-  "version" "3.2.4"
-
 "asynckit@^0.4.0":
   "integrity" "sha1-x57Zf380y48robyXkLzDZkdLS3k="
   "resolved" "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz"
@@ -1818,16 +1799,6 @@
     "secp256k1" "^4.0.1"
     "setimmediate" "^1.0.5"
 
-"ethereum-cryptography@^1.1.2":
-  "integrity" "sha512-XDSJlg4BD+hq9N2FjvotwUET9Tfxpxc3kWGE2AqUG5vcbeunnbImVk3cj6e/xT3phdW21mE8R5IugU4fspQDcQ=="
-  "resolved" "https://registry.npmmirror.com/ethereum-cryptography/-/ethereum-cryptography-1.1.2.tgz"
-  "version" "1.1.2"
-  dependencies:
-    "@noble/hashes" "1.1.2"
-    "@noble/secp256k1" "1.6.3"
-    "@scure/bip32" "1.1.0"
-    "@scure/bip39" "1.1.0"
-
 "[email protected]":
   "integrity" "sha512-XDSJlg4BD+hq9N2FjvotwUET9Tfxpxc3kWGE2AqUG5vcbeunnbImVk3cj6e/xT3phdW21mE8R5IugU4fspQDcQ=="
   "resolved" "https://registry.npmmirror.com/ethereum-cryptography/-/ethereum-cryptography-1.1.2.tgz"