[BUGFIX] Pip Build: use runtime.Features instead of manual check for mkldnn headers (#19195)
[BUGFIX] Pip Build: use runtime.Features instead of manual check for mkldnn headers (#19195)

* use runtime Features instead of manual check

* move mxnet package closer to where its used
tlby/mxnet,tlby/mxnet,DickJC123/mxnet,apache/incubator-mxnet,szha/mxnet,apache/incubator-mxnet,tlby/mxnet,leezu/mxnet,apache/incubator-mxnet,leezu/mxnet,sxjscience/mxnet,yajiedesign/mxnet,leezu/mxnet,yajiedesign/mxnet,yajiedesign/mxnet,leezu/mxnet,sxjscience/mxnet,tlby/mxnet,sxjscience/mxnet,tlby/mxnet,apache/incubator-mxnet,leezu/mxnet,tlby/mxnet,leezu/mxnet,sxjscience/mxnet,leezu/mxnet,szha/mxnet,szha/mxnet,DickJC123/mxnet,sxjscience/mxnet,sxjscience/mxnet,szha/mxnet,yajiedesign/mxnet,szha/mxnet,tlby/mxnet,tlby/mxnet,tlby/mxnet,tlby/mxnet,leezu/mxnet,DickJC123/mxnet,yajiedesign/mxnet,yajiedesign/mxnet,szha/mxnet,szha/mxnet,yajiedesign/mxnet,sxjscience/mxnet,szha/mxnet,szha/mxnet,yajiedesign/mxnet,DickJC123/mxnet,leezu/mxnet,sxjscience/mxnet,yajiedesign/mxnet,sxjscience/mxnet