[µTVM] Try to fix qemu hangs in the CI #7590 (#7769)
[µTVM] Try to fix qemu hangs in the CI #7590 (#7769)

* Try to fix qemu hangs in the CI.

 * Remove __pycache__ directories only underneath checked-in
   subdirectories to hopefully avoid long find runtime.

* try just removing the check
Laurawly/tvm-1,dmlc/tvm,dmlc/tvm,dmlc/tvm,dmlc/tvm,Laurawly/tvm-1,Laurawly/tvm-1,dmlc/tvm,dmlc/tvm,Laurawly/tvm-1,Laurawly/tvm-1,dmlc/tvm,dmlc/tvm,Laurawly/tvm-1,Laurawly/tvm-1,Laurawly/tvm-1,dmlc/tvm,Laurawly/tvm-1,Laurawly/tvm-1