MNT: drop redundant test code

Already tested in TestParameter class.

Author: pavoljuhas

src/diffpy/pdfgui/control/parameter.py

@@ -188,12 +188,3 @@ def __findLinkedFitting(self):
         return ref
 
 # End of class Parameter
-
-# simple test code
-if __name__ == "__main__":
-    p = Parameter(3)
-    p.setInitial(0.55)
-    print "p.initialStr() =", p.initialStr()
-    print "p.initialValue() =", p.initialValue()
-
-# End of file