start reviewing and removing XXX notes

lib/commands/pin-rpc.js

@@ -547,8 +547,9 @@ const deferResponse = function (Env, channel, cb) {
 };
 */
 
+// FIXME this will be removed from the client
 Pinning.isChannelPinned = function (Env, channel, cb) {
-    return void cb(void 0, true); // XXX
+    return void cb(void 0, true);
 /*
     // if the pins are fully loaded then you can answer yes/no definitively
     if (Env.pinsLoaded) {

lib/compute-index.js

@@ -22,11 +22,7 @@ const init = function (config, cb) {
 };
 
 const tryParse = function (Env, str) {
-    try {
-        return JSON.parse(str);
-    } catch (err) {
-        // XXX
-    }
+    try { return JSON.parse(str); } catch (err) { }
 };
 
 /*  computeIndex

lib/rpc.js

@@ -17,7 +17,7 @@ const UNAUTHENTICATED_CALLS = {
     GET_FILE_SIZE: Pinning.getFileSize,
     GET_MULTIPLE_FILE_SIZE: Pinning.getMultipleFileSize,
     GET_DELETED_PADS: Pinning.getDeletedPads,
-    IS_CHANNEL_PINNED: Pinning.isChannelPinned,
+    IS_CHANNEL_PINNED: Pinning.isChannelPinned, // FIXME drop this RPC
     IS_NEW_CHANNEL: Channel.isNewChannel,
     WRITE_PRIVATE_MESSAGE: Channel.writePrivateMessage,
     GET_METADATA: Metadata.getMetadata,
@@ -198,8 +198,6 @@ RPC.create = function (Env, cb) {
     updateLimitDaily();
     Env.intervals.dailyLimitUpdate = setInterval(updateLimitDaily, 24*3600*1000);
 
-    //Pinning.loadChannelPins(Env); // XXX
-
     // expire old sessions once per minute
     Env.intervals.sessionExpirationInterval = setInterval(function () {
         Core.expireSessions(Sessions);