remove bn.js dependency from crypto package

Author: dynst

.pnp.cjs

@@ -44,12 +44,10 @@
     "@cosmjs/utils": "workspace:^",
     "@noble/curves": "^1.9.2",
     "@noble/hashes": "^1",
-    "bn.js": "^5.2.0",
     "libsodium-wrappers-sumo": "^0.7.11"
   },
   "devDependencies": {
     "@istanbuljs/nyc-config-typescript": "^1.0.1",
-    "@types/bn.js": "^5",
     "@types/jasmine": "^4",
     "@types/karma-firefox-launcher": "^2",
     "@types/karma-jasmine": "^4",

.yarn/cache/@types-bn.js-npm-5.1.0-4a0335ff4f-04c6705445.zip

@@ -326,14 +326,12 @@ __metadata:
     "@istanbuljs/nyc-config-typescript": "npm:^1.0.1"
     "@noble/curves": "npm:^1.9.2"
     "@noble/hashes": "npm:^1"
-    "@types/bn.js": "npm:^5"
     "@types/jasmine": "npm:^4"
     "@types/karma-firefox-launcher": "npm:^2"
     "@types/karma-jasmine": "npm:^4"
     "@types/karma-jasmine-html-reporter": "npm:^1"
     "@types/libsodium-wrappers-sumo": "npm:^0.7.5"
     "@types/node": "npm:*"
-    bn.js: "npm:^5.2.0"
     buffer: "npm:^6.0.3"
     eslint: "npm:^8.57.1"
     glob: "npm:^11"
@@ -1300,15 +1298,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/bn.js@npm:^5":
-  version: 5.1.0
-  resolution: "@types/bn.js@npm:5.1.0"
-  dependencies:
-    "@types/node": "npm:*"
-  checksum: 10c0/04c6705445f8588ca54bb1e28bee6a1e3e97fa87551cde45b6f7e1d856d394ae0d36d3c75f11388062562dc0a6f4b4e0d5282ccfbe463d472589f9d1cc95ebd5
-  languageName: node
-  linkType: hard
-
 "@types/body-parser@npm:*":
   version: 1.19.0
   resolution: "@types/body-parser@npm:1.19.0"
@@ -2311,13 +2300,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"bn.js@npm:^5.2.0":
-  version: 5.2.0
-  resolution: "bn.js@npm:5.2.0"
-  checksum: 10c0/67e17b1934d9c7a73aed9b89222dc8c1c8e3aff46cca6609b8c2ab04fa22c6b8db42c7774b039d09fa63136d8866b777ab88af0d64d8ea3839a94e69193a6b13
-  languageName: node
-  linkType: hard
-
 "body-parser@npm:^1.19.0":
   version: 1.20.3
   resolution: "body-parser@npm:1.20.3"