bip360: remove rust and js reference implementations as per https://github.com/bitcoin/bips/pull/2202

bip-0360/ref-impl/js/.gitignore

@@ -1,76 +0,0 @@
-# Dependencies
-node_modules/
-npm-debug.log*
-yarn-debug.log*
-yarn-error.log*
-pnpm-debug.log*
-lerna-debug.log*
-
-# Build outputs
-dist/
-build/
-*.tsbuildinfo
-
-# TypeScript
-*.js.map
-*.d.ts.map
-
-# Environment variables
-.env
-.env.local
-.env.*.local
-
-# IDE / Editor files
-.vscode/
-.idea/
-*.swp
-*.swo
-*~
-.DS_Store
-
-# OS files
-Thumbs.db
-desktop.ini
-
-# Testing
-coverage/
-.nyc_output/
-*.lcov
-
-# Logs
-logs/
-*.log
-
-# Temporary files
-*.tmp
-*.temp
-.cache/
-
-# Optional npm cache directory
-.npm
-
-# Optional eslint cache
-.eslintcache
-
-# Optional REPL history
-.node_repl_history
-
-# Output of 'npm pack'
-*.tgz
-
-# Yarn Integrity file
-.yarn-integrity
-
-# parcel-bundler cache
-.parcel-cache
-
-# Next.js (if ever used)
-.next
-out
-
-# Vercel (if ever used)
-.vercel
-
-# Turbo (if ever used)
-.turbo
-