BUG: unnecessary call to GetExpandRGBPalette
BUG: unnecessary call to GetExpandRGBPalette

It is needed to check if the image is actually read as palette or not, not if the user asked for it

Change-Id: Idd996005c8ac18739025a485697fb8c56cd8cdab

blowekamp/ITK,thewtex/ITK,LucasGandel/ITK,hjmjohnson/ITK,richardbeare/ITK,thewtex/ITK,vfonov/ITK,richardbeare/ITK,spinicist/ITK,LucasGandel/ITK,InsightSoftwareConsortium/ITK,malaterre/ITK,spinicist/ITK,InsightSoftwareConsortium/ITK,vfonov/ITK,InsightSoftwareConsortium/ITK,Kitware/ITK,blowekamp/ITK,InsightSoftwareConsortium/ITK,richardbeare/ITK,malaterre/ITK,LucasGandel/ITK,blowekamp/ITK,hjmjohnson/ITK,blowekamp/ITK,hjmjohnson/ITK,BRAINSia/ITK,malaterre/ITK,Kitware/ITK,vfonov/ITK,richardbeare/ITK,malaterre/ITK,spinicist/ITK,thewtex/ITK,InsightSoftwareConsortium/ITK,spinicist/ITK,Kitware/ITK,fbudin69500/ITK,fbudin69500/ITK,vfonov/ITK,vfonov/ITK,Kitware/ITK,fbudin69500/ITK,vfonov/ITK,BRAINSia/ITK,thewtex/ITK,hjmjohnson/ITK,BRAINSia/ITK,InsightSoftwareConsortium/ITK,spinicist/ITK,richardbeare/ITK,InsightSoftwareConsortium/ITK,fbudin69500/ITK,BRAINSia/ITK,blowekamp/ITK,Kitware/ITK,vfonov/ITK,blowekamp/ITK,malaterre/ITK,blowekamp/ITK,LucasGandel/ITK,richardbeare/ITK,hjmjohnson/ITK,vfonov/ITK,LucasGandel/ITK,fbudin69500/ITK,malaterre/ITK,LucasGandel/ITK,BRAINSia/ITK,richardbeare/ITK,malaterre/ITK,thewtex/ITK,BRAINSia/ITK,Kitware/ITK,fbudin69500/ITK,hjmjohnson/ITK,spinicist/ITK,malaterre/ITK,malaterre/ITK,hjmjohnson/ITK,BRAINSia/ITK,vfonov/ITK,thewtex/ITK,spinicist/ITK,LucasGandel/ITK,spinicist/ITK,fbudin69500/ITK,thewtex/ITK,LucasGandel/ITK,spinicist/ITK,fbudin69500/ITK,blowekamp/ITK,Kitware/ITK