elementary: Remove unused variable
elementary: Remove unused variable

Summary: clang reports SIG_LANG_CHANGED as being unused here, so remove

@fix

Signed-off-by: Chris Michael <177aeddb9e34930a357ecd8dd2d21c80fe280c85@samsung.com>

tasn/elementary,tasn/elementary,tasn/elementary,tasn/elementary,tasn/elementary,rvandegrift/elementary,rvandegrift/elementary,rvandegrift/elementary,rvandegrift/elementary