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/objdetect/src/face_recognize.cpp

@@ -25,7 +25,7 @@ public:
 
         net.setPreferableBackend(backend_id);
         net.setPreferableTarget(target_id);
-    };
+    }
     void alignCrop(InputArray _src_img, InputArray _face_mat, OutputArray _aligned_img) const override
     {
         Mat face_mat = _face_mat.getMat();
@@ -39,13 +39,13 @@ public:
         }
         Mat warp_mat = getSimilarityTransformMatrix(src_point);
         warpAffine(_src_img, _aligned_img, warp_mat, Size(112, 112), INTER_LINEAR);
-    };
+    }
     void feature(InputArray _aligned_img, OutputArray _face_feature) override
     {
         Mat inputBolb = dnn::blobFromImage(_aligned_img, 1, Size(112, 112), Scalar(0, 0, 0), true, false);
         net.setInput(inputBolb);
         net.forward(_face_feature);
-    };
+    }
     double match(InputArray _face_feature1, InputArray _face_feature2, int dis_type) const override
     {
         Mat face_feature1 = _face_feature1.getMat(), face_feature2 = _face_feature2.getMat();
@@ -60,7 +60,7 @@ public:
             throw std::invalid_argument("invalid parameter " + std::to_string(dis_type));
         }
 
-    };
+    }
 
 private:
     Mat getSimilarityTransformMatrix(float src[5][2]) const {