Remove old warning suppression from Storage (#5109)

Co-authored-by: Anton Kolesnyk <antkmsft@users.noreply.github.com>

sdk/storage/azure-storage-common/CMakeLists.txt

@@ -97,8 +97,6 @@ target_link_libraries(azure-storage-common PUBLIC Azure::azure-core)
 
 if(WIN32)
     target_link_libraries(azure-storage-common PRIVATE bcrypt webservices)
-    # C28020 and C28204 are introduced by nlohmann/json
-    target_compile_options(azure-storage-common PUBLIC /wd28204 /wd28020)
 else()
     find_package(LibXml2 REQUIRED)
     target_include_directories(azure-storage-common SYSTEM PRIVATE ${LIBXML2_INCLUDE_DIRS})