Remove tab key from alphabet layout of tablet 7

java/res/values-sw600dp-land/dimens.xml

java/res/values-sw600dp/dimens.xml

java/res/xml-sw600dp/row_dvorak4.xml

java/res/xml-sw600dp/row_hebrew4.xml

java/res/xml-sw600dp/row_pcqwerty5.xml

java/res/xml-sw600dp/row_qwerty4.xml

java/res/xml-sw600dp/row_symbols4.xml

java/res/xml-sw600dp/row_symbols_shift4.xml

java/res/xml-sw600dp/rows_arabic.xml

java/res/xml-sw600dp/rows_azerty.xml

java/res/xml-sw600dp/rows_bulgarian.xml

java/res/xml-sw600dp/rows_colemak.xml

java/res/xml-sw600dp/rows_dvorak.xml

java/res/xml-sw600dp/rows_east_slavic.xml

java/res/xml-sw600dp/rows_farsi.xml

java/res/xml-sw600dp/rows_georgian.xml

java/res/xml-sw600dp/rows_greek.xml

java/res/xml-sw600dp/rows_hebrew.xml

java/res/xml-sw600dp/rows_hindi.xml

java/res/xml-sw600dp/rows_nordic.xml