issue/133: modified lua

Author: xgqdut2016

Diff for: xmake/kunlun.lua

@@ -70,11 +70,9 @@ target("infiniop-kunlun")
     -- compile handwriting kernel
     local xpu_files = os.files(src_dir .. "/ops/*/kunlun/*.xpu")
     table.join2(xpu_files, os.files(src_dir .. "/binary/kunlun/*.xpu"))
-    
     if #xpu_files > 0 then
         add_files(xpu_files, {rule = "xpu"})
     end
-    
 target_end()
 
 target("infinirt-kunlun")