rocr: Remove unused member of GPUAgent

The ape1_size_ member was leftover after the removal
of KV and is no longer used.

Remove it to remove some compiler warnings.

Signed-off-by: Tony Gutierrez <anthony.gutierrez@amd.com>


[ROCm/ROCR-Runtime commit: 5285c24657]

projects/rocr-runtime/runtime/hsa-runtime/core/runtime/amd_gpu_agent.cpp

@@ -106,7 +106,6 @@ GpuAgent::GpuAgent(HSAuint32 node, const HsaNodeProperties& node_props, bool xna
       memory_max_frequency_(0),
       enum_index_(index),
       ape1_base_(0),
-      ape1_size_(0),
       pending_copy_req_ref_(0),
       pending_copy_stat_check_ref_(0),
       sdma_blit_used_mask_(0),