Code Cleanup - obsolete code

- Removed obsolete T::removeAttributes.
- Removed obsolete T::sequenceContains.
- Modified handleInfo so it no longer uses T::sequenceContains, and
  instead uses filterSequence.

src/T.cpp

@@ -230,12 +230,6 @@ void T::setAttributes (const std::map <std::string, std::string>& attributes)
   }
 }
 
-////////////////////////////////////////////////////////////////////////////////
-void T::removeAttributes ()
-{
-  mAttributes.clear ();
-}
-
 ////////////////////////////////////////////////////////////////////////////////
 void T::removeAttribute (const std::string& name)
 {
@@ -290,16 +284,6 @@ void T::addAnnotation (const std::string& description)
   mAnnotations[time (NULL)] = sanitized;
 }
 
-////////////////////////////////////////////////////////////////////////////////
-bool T::sequenceContains (int id) const
-{
-  foreach (seq, mSequence)
-    if (*seq == id)
-      return true;
-
-  return false;
-}
-
 ////////////////////////////////////////////////////////////////////////////////
 // uuid status [tags] [attributes] [annotations] description
 //