Just comment fixes

arangod/Utils/CollectionKeys.cpp

@@ -101,7 +101,7 @@ void CollectionKeys::create(TRI_voc_tick_t maxTick) {
 
   _vpack.reserve(16384);
 
-  // copy all datafile markers into the result under the read-lock
+  // copy all document tokens into the result under the read-lock
   {
     SingleCollectionTransaction trx(
         transaction::StandaloneContext::Create(_collection->vocbase()), _name,
@@ -125,7 +125,7 @@ void CollectionKeys::create(TRI_voc_tick_t maxTick) {
     trx.finish(res);
   }
 
-  // now sort all markers without the read-lock
+  // now sort all document tokens without the read-lock
   std::sort(_vpack.begin(), _vpack.end(),
             [](uint8_t const* lhs, uint8_t const* rhs) -> bool {
     return (StringRef(transaction::helpers::extractKeyFromDocument(VPackSlice(lhs))) < StringRef(transaction::helpers::extractKeyFromDocument(VPackSlice(rhs))));

arangod/V8Server/v8-collection.cpp

@@ -1351,7 +1351,6 @@ static void JS_PropertiesVocbaseCol(
       arangodb::Result res2 = physical->persistProperties();
       // TODO Review
       // TODO API compatibility, for now we ignore if persisting fails...
-
     }
   }
 

arangod/VocBase/LogicalCollection.cpp

@@ -1050,7 +1050,6 @@ int LogicalCollection::remove(transaction::Methods* trx,
                               ManagedDocumentResult& previous) {
   resultMarkerTick = 0;
 
-  // create remove marker
   TRI_voc_rid_t revisionId = 0;
   if (options.isRestore) {
     VPackSlice oldRev = TRI_ExtractRevisionIdAsSlice(slice);