Merge pull request #26405 from kaingwade:rename_features2d

Rename features2d #26405

This PR renames the module _features2d_ to _features_ as one of the Big OpenCV Cleanup #25007. 
Related PR: opencv/opencv_contrib: [#3820](https://github.com/opencv/opencv_contrib/pull/3820) opencv/ci-gha-workflow: [#192](https://github.com/opencv/ci-gha-workflow/pull/192)

samples/android/tutorial-2-mixedprocessing/CMakeLists.txt

@@ -3,7 +3,7 @@ set(sample example-tutorial-2-mixedprocessing)
 if(BUILD_FAT_JAVA_LIB)
   set(native_deps opencv_java)
 else()
-  set(native_deps opencv_features2d)
+  set(native_deps opencv_features)
 endif()
 
 add_android_project(${sample} "${CMAKE_CURRENT_SOURCE_DIR}" LIBRARY_DEPS "${OPENCV_ANDROID_LIB_DIR}" SDK_TARGET 11 "${ANDROID_SDK_TARGET}" NATIVE_DEPS ${native_deps})

samples/android/tutorial-2-mixedprocessing/jni/jni_part.cpp

@@ -1,7 +1,7 @@
 #include <jni.h>
 #include <opencv2/core.hpp>
 #include <opencv2/imgproc.hpp>
-#include <opencv2/features2d.hpp>
+#include <opencv2/features.hpp>
 #include <vector>
 
 using namespace std;