allow passing in a custom socket to query as well. remove dead code

lib/query.js

@@ -26,6 +26,7 @@ module.exports = class Query extends Readable {
     this._fromTable = false
     this._commit = opts.commit === true ? autoCommit : (opts.commit || null)
     this._commiting = false
+    this._ropts = { socket: (opts && opts.socket) || this.dht.rpc.socket, expectOk: false }
 
     const nodes = opts.nodes || opts.closest
 
@@ -60,18 +61,6 @@ module.exports = class Query extends Readable {
     })
   }
 
-  async commit (command = this.command, value = this.value, opts) {
-    if (typeof command === 'object' && command) return this.commit(undefined, undefined, command)
-    return this.dht.requestAll(this.target, command, value, this.closest, opts)
-  }
-
-  async toArray () {
-    const all = []
-    this.on('data', data => all.push(data))
-    await this.finished()
-    return all
-  }
-
   _addFromTable () {
     if (this._pending.length >= this.k) return
     this._fromTable = true
@@ -238,7 +227,7 @@ module.exports = class Query extends Readable {
 
   _visit (node) {
     this.inflight++
-    this.dht.request(this.target, this.command, this.value, node, { expectOk: false })
+    this.dht.request(this.target, this.command, this.value, node, this._ropts)
       .then(this._onresolve, this._onreject)
   }
 }