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/videoio/test/test_audio.cpp

@@ -14,7 +14,7 @@ typedef std::tuple<std::string, int, int, double, VideoCaptureAPIs> param;
 class AudioBaseTest
 {
 protected:
-    AudioBaseTest(){};
+    AudioBaseTest(){}
     void getValidAudioData()
     {
         const double step = 3.14/22050;
@@ -157,7 +157,7 @@ public:
             params = {  CAP_PROP_AUDIO_STREAM, 0,
                         CAP_PROP_VIDEO_STREAM, 0,
                         CAP_PROP_AUDIO_DATA_DEPTH, CV_16S };
-        };
+        }
 
     void doTest()
     {