Merge pull request #29453 from vrabaud:persistence

Replace "static inline" by "inline" in headers #29453

This fixes #29436

I also replaced CV_INLINE which can be removed in a later PR.

I can make a similar PR for 4.x if you want.

### Pull Request Readiness Checklist

See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [x] The PR is proposed to the proper branch
- [x] There is a reference to the original bug report and related work
- [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
      Patch to opencv_extra has the same branch name.
- [ ] The feature is well documented and sample code can be built with the project CMake

modules/imgproc/include/opencv2/imgproc.hpp

@@ -1213,7 +1213,7 @@ CV_EXPORTS_W Mat getGaborKernel( Size ksize, double sigma, double theta, double
                                  double gamma, double psi = CV_PI*0.5, int ktype = CV_64F );
 
 //! returns "magic" border value for erosion and dilation. It is automatically transformed to Scalar::all(-DBL_MAX) for dilation.
-static inline Scalar morphologyDefaultBorderValue() { return Scalar::all(DBL_MAX); }
+inline Scalar morphologyDefaultBorderValue() { return Scalar::all(DBL_MAX); }
 
 /** @brief Returns a structuring element of the specified size and shape for morphological operations.
 
@@ -2430,7 +2430,7 @@ float initWideAngleProjMap(InputArray cameraMatrix, InputArray distCoeffs,
                            Size imageSize, int destImageWidth,
                            int m1type, OutputArray map1, OutputArray map2,
                            enum UndistortTypes projType = PROJ_SPHERICAL_EQRECT, double alpha = 0);
-static inline
+inline
 float initWideAngleProjMap(InputArray cameraMatrix, InputArray distCoeffs,
                            Size imageSize, int destImageWidth,
                            int m1type, OutputArray map1, OutputArray map2,

modules/imgproc/include/opencv2/imgproc/bindings.hpp

@@ -16,7 +16,7 @@ namespace cv {
  *
  * @sa HoughLines
  */
-CV_WRAP static inline
+CV_WRAP inline
 void HoughLinesWithAccumulator(
         InputArray image, OutputArray lines,
         double rho, double theta, int threshold,
@@ -36,7 +36,7 @@ void HoughLinesWithAccumulator(
  *
  * @sa HoughCircles
  */
-CV_WRAP static inline
+CV_WRAP inline
 void HoughCirclesWithAccumulator(
         InputArray image, OutputArray circles,
         int method, double dp, double minDist,