Remove no-operation that caused Unicode errors.

The statement had no effect as its result was not used.  It also
caused Unicode errors, because manually entered atoms have Unicode
element symbols.

Author: pavoljuhas

diffpy/pdfgui/gui/bondlengthdialog.py

@@ -145,7 +145,6 @@ def setStructure(self, structure):
         self.eList = eDict.keys()
         self.eList.sort()
         self.eList.insert(0, "All")
-        map(str.title, self.eList)
 
         self.aComboBox.Clear()
         self.bComboBox.Clear()