fix: remove ipld all formats and fix traverse ipld example (#3025)

The ipld-browser-all.js is not needed anymore since we are not shipping the browser bundle with all the formats.

The traverse ipld graphs doesnt need to manually require all the formats because it runs in node.

examples/traverse-ipld-graphs/create-node.js

@@ -7,23 +7,6 @@ function createNode (options) {
   options.path = options.path || '/tmp/ipfs' + Math.random()
   return IPFS.create({
     repo: options.path,
-    ipld: {
-      formats: [
-        require('ipld-dag-cbor'),
-        require('ipld-dag-pb'),
-        require('ipld-raw'),
-        require('ipld-bitcoin'),
-        require('ipld-ethereum').ethAccountSnapshot,
-        require('ipld-ethereum').ethBlock,
-        require('ipld-ethereum').ethBlockList,
-        require('ipld-ethereum').ethStateTrie,
-        require('ipld-ethereum').ethStorageTrie,
-        require('ipld-ethereum').ethTx,
-        require('ipld-ethereum').ethTxTrie,
-        require('ipld-git'),
-        require('ipld-zcash')
-      ]
-    },
     config: {
       Addresses: {
         Swarm: [