Remove voice key from keyboard layout

java/res/xml-sw600dp/key_settings.xml

java/res/xml-sw600dp/row_dvorak4.xml

java/res/xml-sw600dp/row_pcqwerty5.xml

java/res/xml-sw600dp/row_qwerty4.xml

java/res/xml/key_f1.xml

java/res/xml/row_dvorak4.xml

java/res/xml/row_pcqwerty5.xml

...s/src/com/android/inputmethod/keyboard/layout/Arabic.java

...android/inputmethod/keyboard/layout/ArmenianPhonetic.java

...s/src/com/android/inputmethod/keyboard/layout/Dvorak.java

tests/src/com/android/inputmethod/keyboard/layout/Farsi.java

tests/src/com/android/inputmethod/keyboard/layout/Khmer.java

tests/src/com/android/inputmethod/keyboard/layout/Lao.java

...c/com/android/inputmethod/keyboard/layout/LayoutBase.java

.../src/com/android/inputmethod/keyboard/layout/Myanmar.java

...src/com/android/inputmethod/keyboard/layout/PcQwerty.java

tests/src/com/android/inputmethod/keyboard/layout/Thai.java

...id/inputmethod/keyboard/layout/tests/LayoutTestsBase.java