IVGCVSW-7558 Implement Delegate Utils

 * Implement OpaqueDelegateUtils.hpp using new accessors.
 * Moved classic delegate utils to ClassicDelegateUtils.hpp.
 * DelegateUtils.hpp now contains common utils.
 * Removed unused ConnectConstant function.

Signed-off-by: Matthew Sloyan <matthew.sloyan@arm.com>
Change-Id: I0fa611c82f5c06b0b7e0c37bfc343e09fb6a96c9
diff --git a/delegate/classic/CMakeLists.txt b/delegate/classic/CMakeLists.txt
index 0416713..367ac40 100644
--- a/delegate/classic/CMakeLists.txt
+++ b/delegate/classic/CMakeLists.txt
@@ -13,6 +13,7 @@
         src/ArgMinMax.hpp
         src/BatchMatMul.hpp
         src/BatchSpace.hpp
+        src/ClassicDelegateUtils.hpp
         src/Comparison.hpp
         src/Convolution.hpp
         src/Control.hpp