fixed bug for Ching Ming festival days

Author: wegamekinglc

PyFin/DateUtilities/Calendar.pyx

@@ -186,7 +186,6 @@ cdef set sse_holDays = {Date(2005, 1, 3),
                         Date(2005, 2, 11),
                         Date(2005, 2, 14),
                         Date(2005, 2, 15),
-                        Date(2005, 4, 4),
                         Date(2005, 5, 2),
                         Date(2005, 5, 3),
                         Date(2005, 5, 4),
@@ -208,7 +207,6 @@ cdef set sse_holDays = {Date(2005, 1, 3),
                         Date(2006, 2, 1),
                         Date(2006, 2, 2),
                         Date(2006, 2, 3),
-                        Date(2006, 4, 4),
                         Date(2006, 5, 1),
                         Date(2006, 5, 2),
                         Date(2006, 5, 3),
@@ -229,7 +227,6 @@ cdef set sse_holDays = {Date(2005, 1, 3),
                         Date(2007, 2, 21),
                         Date(2007, 2, 22),
                         Date(2007, 2, 23),
-                        Date(2007, 4, 4),
                         Date(2007, 5, 1),
                         Date(2007, 5, 2),
                         Date(2007, 5, 3),