remove obsolete OpenCl code from TessBaseAPI::ProcessPagesMultipageTiff; fixes #635
remove obsolete OpenCl code from TessBaseAPI::ProcessPagesMultipageTiff; fixes #635

amitdo/tesseract,amitdo/tesseract,UB-Mannheim/tesseract,jbarlow83/tesseract,stweil/tesseract,jbarlow83/tesseract,stweil/tesseract,stweil/tesseract,UB-Mannheim/tesseract,tesseract-ocr/tesseract,UB-Mannheim/tesseract,tesseract-ocr/tesseract,jbarlow83/tesseract,tesseract-ocr/tesseract,jbarlow83/tesseract,stweil/tesseract,tesseract-ocr/tesseract,amitdo/tesseract,UB-Mannheim/tesseract,amitdo/tesseract,jbarlow83/tesseract,amitdo/tesseract,stweil/tesseract,UB-Mannheim/tesseract,tesseract-ocr/tesseract