More minor fixes to C API docs (GH-31714) * init_config: wording fixes * bytearray: remove XXX, there is a good link to the buffer docs * bytes, call, exceptions: minor wording fixes (cherry picked from commit 677a87946630c5fbd9998969669b4dd4f4b32545) Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>