message: java: removed unnecessary method definitions from htu21d and ozw interface file
diff: %apply unsigned char *OUTPUT { uint8_t *val };
  -%inline %{
  - extern void setValueAsBytes(int nodeId, int index, uint8_t *val, uint8_t len);
  -%}
  -
  %include "ozw.hpp"
  %{
  #include "ozw.hpp"
  