Various warnings in ShipPixelHit.cxx

[olantwin]

Not urgent, just to keep track of the warning until we fix it or charmdet is removed.

charmdet/ShipPixelHit.cxx: In constructor 'ShipPixelHit::ShipPixelHit(Int_t, Float_t)':
charmdet/ShipPixelHit.cxx:17:54: warning: declaration of 'detID' shadows a member of 'ShipPixelHit' [-Wshadow]
 ShipPixelHit::ShipPixelHit(Int_t detID,  Float_t digi) : ShipHit(detID, digi) {
                                                      ^
In file included from charmdet/ShipPixelHit.cxx:1:0:
charmdet/ShipPixelHit.h:37:12: note: shadowed declaration is here
    int32_t detID;
            ^~~~~
charmdet/ShipPixelHit.cxx: In member function 'void ShipPixelHit::GetPixelXYZ(TVector3&, int)':
charmdet/ShipPixelHit.cxx:49:58: warning: declaration of 'detID' shadows a member of 'ShipPixelHit' [-Wshadow]
 void ShipPixelHit::GetPixelXYZ(TVector3 &pixel, int detID) { //, std::shared_ptr <std::unordered_map<int, TVector3>> PixelPositionMap
                                                          ^
In file included from charmdet/ShipPixelHit.cxx:1:0:
charmdet/ShipPixelHit.h:37:12: note: shadowed declaration is here
    int32_t detID;
            ^~~~~

[olantwin]

Charmdet was removed in e066f22