Clean up anaconda repository #418

Job	Run time
Clean up anaconda packages (dppy/dpnp)	54s
Clean up anaconda packages (dppy/numba-dpex)	43s
Clean up anaconda packages (dppy/dpcpp-llvm-spirv)	33s
Clean up anaconda packages (dppy/dpbench)	56s
Clean up anaconda packages (dppy/numba-mlir)	51s
Clean up anaconda packages (dppy/dpctl)	1m 7s
	5m 4s

Provide feedback