Simplify comphelper::string::isdigitAsciiString definitions
Simplify comphelper::string::isdigitAsciiString definitions

Change-Id: I26c889e51287a239ef92a798a6899266837064d9

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core