Merge pull request #23109 from seanm:misc-warnings

* Fixed clang -Wnewline-eof warnings
* Fixed all trivial clang -Wextra-semi and -Wc++98-compat-extra-semi warnings
* Removed trailing semi from various macros
* Fixed various -Wunused-macros warnings
* Fixed some trivial -Wdocumentation warnings
* Fixed some -Wdocumentation-deprecated-sync warnings
* Fixed incorrect indentation
* Suppressed some clang warnings in 3rd party code
* Fixed QRCodeEncoder::Params documentation.

---------

Co-authored-by: Alexander Smorkalov <alexander.smorkalov@xperience.ai>

modules/gapi/test/common/gapi_render_tests.cpp

@@ -92,6 +92,6 @@ void blendImageRef(cv::Mat& mat, const cv::Point& org, const cv::Mat& img, const
     roi32f += img32f;
 
     roi32f.convertTo(roi, CV_8U, 255.0);
-};
+}
 
 } // namespace opencv_test