chore: remove pnpm workaround for netlify (#434)

netlify.toml

@@ -1,11 +1,9 @@
 [build.environment]
-  # bypass npm auto install
-  NPM_FLAGS = "--version"
   NODE_VERSION = "16"
 
 [build]
   publish = "dist"
-  command = "npx pnpm i --store=node_modules/.pnpm-store && npx pnpm run build"
+  command = "pnpm run build"
 
 [[redirects]]
   from = "/*"