Remove QtWebEngine from build

src/CMakeLists.txt

@@ -183,14 +183,6 @@ if(KF5_PURPOSE)
     target_link_libraries(kdenliveLib KF5::Purpose KF5::PurposeWidgets)
 endif()
 
-if(Qt5WebEngineWidgets_FOUND)
-    message(STATUS "Found Qt5 WebEngineWidgets. You can use your Freesound.org credentials to download files")
-    target_compile_definitions(kdenliveLib PRIVATE -DQT5_USE_WEBENGINE)
-    target_link_libraries(kdenliveLib Qt5::WebEngineWidgets)
-else()
-    message(STATUS "Qt5 WebEngineWidgets not found. You cannot use your Freesound.org credentials, only preview files can be downloaded from the Online Resources Widget")
-endif()
-
 if(Q_WS_X11)
 	target_include_directories(kdenliveLib SYSTEM PRIVATE ${X11_Xlib_INCLUDE_PATH})
     target_link_libraries(kdenliveLib ${X11_LIBRARIES})