Remove unused comphelper::MasterHelperNoState

Change-Id: I2ef343154a9152b81f8c18c9e114b12b8bd168ab
Fold SettingsHelperNoState, ChainableHelperNoState

Change-Id: I94bd49e6460855c58cc9fe2d1c7b1f5f7e6e589a
Remove unnecessary comphelper::eqFunc

Change-Id: I94d5e3fff2d1e039051bddfedcedfac04487529a
Missing include

Change-Id: I7c8ffab5cef828980faf1bb8768dde9d79a0258b