clean up CI build script
clean up CI build script

ptrendx/mxnet,eric-haibin-lin/mxnet,tlby/mxnet,sxjscience/mxnet,dmlc/mxnet,yajiedesign/mxnet,tlby/mxnet,eric-haibin-lin/mxnet,sxjscience/mxnet,larroy/mxnet,zhreshold/mxnet,ForkedReposBak/mxnet,leezu/mxnet,tlby/mxnet,leezu/mxnet,ForkedReposBak/mxnet,mbaijal/incubator-mxnet,ptrendx/mxnet,larroy/mxnet,zhreshold/mxnet,zhreshold/mxnet,zhreshold/mxnet,sxjscience/mxnet,mbaijal/incubator-mxnet,BigEpsilon/MXNet.jl,ptrendx/mxnet,leezu/mxnet,zhreshold/mxnet,sxjscience/mxnet,leezu/mxnet,dmlc/mxnet,larroy/mxnet,apache/incubator-mxnet,mbaijal/incubator-mxnet,mbaijal/incubator-mxnet,DickJC123/mxnet,szha/mxnet,ForkedReposBak/mxnet,eric-haibin-lin/mxnet,eric-haibin-lin/mxnet,dmlc/mxnet,reminisce/mxnet,szha/mxnet,reminisce/mxnet,szha/mxnet,larroy/mxnet,tlby/mxnet,reminisce/mxnet,ptrendx/mxnet,ptrendx/mxnet,apache/incubator-mxnet,eric-haibin-lin/mxnet,leezu/mxnet,reminisce/mxnet,szha/mxnet,mbaijal/incubator-mxnet,dmlc/mxnet,zhreshold/mxnet,larroy/mxnet,reminisce/mxnet,ForkedReposBak/mxnet,reminisce/mxnet,yajiedesign/mxnet,sxjscience/mxnet,ForkedReposBak/mxnet,leezu/mxnet,yajiedesign/mxnet,ptrendx/mxnet,yajiedesign/mxnet,szha/mxnet,larroy/mxnet,szha/mxnet,ptrendx/mxnet,yajiedesign/mxnet,DickJC123/mxnet,larroy/mxnet,dmlc/mxnet,eric-haibin-lin/mxnet,tlby/mxnet,ptrendx/mxnet,sxjscience/mxnet,reminisce/mxnet,apache/incubator-mxnet,DickJC123/mxnet,leezu/mxnet,larroy/mxnet,JuliaPackageMirrors/MXNet.jl,ptrendx/mxnet,mbaijal/incubator-mxnet,szha/mxnet,dmlc/mxnet,tlby/mxnet,mbaijal/incubator-mxnet,reminisce/mxnet,yajiedesign/mxnet,sxjscience/mxnet,sxjscience/mxnet,zhreshold/mxnet,yajiedesign/mxnet,ForkedReposBak/mxnet,ForkedReposBak/mxnet,dmlc/mxnet,tlby/mxnet,mbaijal/incubator-mxnet,reminisce/mxnet,DickJC123/mxnet,yajiedesign/mxnet,eric-haibin-lin/mxnet,dmlc/mxnet,yajiedesign/mxnet,tlby/mxnet,mbaijal/incubator-mxnet,zhreshold/mxnet,szha/mxnet,zhreshold/mxnet,tlby/mxnet,leezu/mxnet,tlby/mxnet,dmlc/mxnet,ForkedReposBak/mxnet,reminisce/mxnet,apache/incubator-mxnet,leezu/mxnet,sxjscience/mxnet,szha/mxnet,ptrendx/mxnet,larroy/mxnet,ForkedReposBak/mxnet,eric-haibin-lin/mxnet,eric-haibin-lin/mxnet