Dead code removal
Dead code removal

openlibrary/bookreader,niksu/bookreader,yankl/bookreader,nikolas/bookreader,garyrh/bookreader,niksu/bookreader,yankl/bookreader,internetarchive/bookreader,openlibrary/bookreader,Islandora/internet_archive_bookreader,gootdude/bookreader,Islandora/internet_archive_bookreader,Islandora/internet_archive_bookreader,yankl/bookreader,garyrh/bookreader,brisandbeans/bookreader,openlibrary/bookreader,niksu/bookreader,gootdude/bookreader,internetarchive/bookreader,yankl/bookreader,brisandbeans/bookreader,gootdude/bookreader,garyrh/bookreader,garyrh/bookreader,garyrh/bookreader,niksu/bookreader,gootdude/bookreader,Islandora/internet_archive_bookreader,openlibrary/bookreader,niksu/bookreader,yankl/bookreader,nikolas/bookreader,brisandbeans/bookreader,openlibrary/bookreader,brisandbeans/bookreader,brisandbeans/bookreader,Islandora/internet_archive_bookreader