Merge pull request #20937 from mpashchenkov:mp/ocv-gapi-warnings

G-API: Disable Windows warnings with 4996 code

* Windows warnings 4503 and 4996 are disabled with dnn style

* Applying comments to review

* Reproducing

* Added check MSVC_VERSION for both warnings

modules/gapi/CMakeLists.txt

@@ -29,12 +29,11 @@ ocv_add_module(gapi
 )
 
 if(MSVC)
-  # Disable obsollete warning C4503 popping up on MSVC <<2017
-  # https://docs.microsoft.com/en-us/cpp/error-messages/compiler-warnings/compiler-warning-level-1-c4503?view=vs-2019
-  ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4503)
-  if (OPENCV_GAPI_INF_ENGINE AND NOT INF_ENGINE_RELEASE VERSION_GREATER "2021000000")
-    # Disable IE deprecated code warning C4996 for releases < 2021.1
-    ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4996)
+  if(MSVC_VERSION LESS 1910)
+    # Disable obsolete warning C4503 popping up on MSVC << 15 2017
+    # https://docs.microsoft.com/en-us/cpp/error-messages/compiler-warnings/compiler-warning-level-1-c4503?view=vs-2019
+    # and IE deprecated code warning C4996
+    ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4503 /wd4996)
   endif()
 endif()