Remove MAX_WORD_LENGTH_INTERNAL

java/src/com/android/inputmethod/keyboard/ProximityInfo.java

java/src/com/android/inputmethod/latin/BinaryDictionary.java

java/src/com/android/inputmethod/latin/Constants.java

...src/com/android/inputmethod/latin/DicTraverseSession.java

...ve/jni/com_android_inputmethod_keyboard_ProximityInfo.cpp

...ve/jni/com_android_inputmethod_latin_BinaryDictionary.cpp

.../jni/com_android_inputmethod_latin_DicTraverseSession.cpp

native/jni/src/bigram_dictionary.cpp

native/jni/src/bigram_dictionary.h

native/jni/src/correction.cpp

native/jni/src/correction.h

native/jni/src/defines.h

native/jni/src/dictionary.cpp

native/jni/src/dictionary.h

native/jni/src/proximity_info_state.cpp

native/jni/src/proximity_info_state.h

native/jni/src/suggest/gesture_suggest.cpp

native/jni/src/suggest/gesture_suggest.h

native/jni/src/suggest/typing_suggest.cpp

native/jni/src/suggest/typing_suggest.h