Jbobba/fix squeeze padded layouts (#2136)

* fix expand layout for padded dimensions

* enable squeeze padded layouts

src/ngraph/runtime/cpu/mkldnn_utils.cpp

@@ -565,7 +565,7 @@ memory::desc runtime::cpu::mkldnn_utils::expand_blocked_md(const memory::desc& i
                     in.data.layout_desc.blocking.strides[0][in.data.ndims - 1];
                 size_t nelems = 1;
                 for (size_t idx = 0; idx < in.data.ndims; idx++)
-                    nelems *= in.data.dims[idx];
+                    nelems *= in.data.layout_desc.blocking.padding_dims[idx];
                 md.layout_desc.blocking.strides[0][j] = nelems;
             }
         }

src/ngraph/runtime/cpu/pass/cpu_layout.cpp

@@ -1315,15 +1315,6 @@ namespace ngraph
                         return false;
                     }
 
-                    if (std::getenv("NGRAPH_CPU_ENABLE_SQUEEZE_PADDED_LAYOUTS") == nullptr)
-                    {
-                        if (mkldnn_utils::is_mkldnn_padded_layout(
-                                md, ngraph::get_default_order(input_shape)))
-                        {
-                            return false;
-                        }
-                    }
-
                     return true;
                 }