Removed vendor namespace

Author: ProGTX

multi_ptr-cast/sycl-2.2/index.md

@@ -91,7 +91,6 @@ we propose adding the following free functions to the `cl::sycl` namespace:
 ```cpp
 namespace cl {
 namespace sycl {
-namespace codeplay {
 
 // Performs a static_cast of the contained pointer
 template <typename ElementTypeU, typename ElementTypeT, access::address_space Space>
@@ -113,7 +112,6 @@ template <typename ElementTypeU, typename ElementTypeT, access::address_space Sp
 multi_ptr<ElementTypeU, Space>
   reinterpret_pointer_cast(const multi_ptr<ElementTypeT, Space>& multiPtr);
 
-} // namespace codeplay
 } // namespace sycl
 } // namespace cl
 ```
@@ -139,7 +137,7 @@ but the same operation is valid on any other `multi_ptr` type.
 
 ```cpp
 using namespace cl::sycl;
-using namespace codeplay;
+
 const global_ptr<int> ptrInt = get_some_global_ptr<int>();
 
 // Conversion operator
@@ -175,7 +173,6 @@ struct Derived : public Base {
 };
 
 using namespace cl::sycl;
-using namespace codeplay;
 const global_ptr<Base> ptrBase = get_some_global_ptr<int>();
 
 auto ptrDerived = dynamic_pointer_cast<Derived>(ptrBase);
@@ -186,7 +183,6 @@ auto ptrBase1 = dynamic_pointer_cast<Base>(ptrDerived);
 
 ```cpp
 using namespace cl::sycl;
-using namespace codeplay;
 
 template <typename ElementType, access::address_space Space>
 void function_taking_ptr(const multi_ptr<ElementType, Space>& ptr);