Clean up anaconda repository #281

Job	Run time
Clean up anaconda packages (dppy/numba-dpex)	1m 5s
Clean up anaconda packages (dppy/numba-mlir)	1m 1s
Clean up anaconda packages (dppy/dpnp)	1m 0s
Clean up anaconda packages (dppy/dpctl)	1m 15s
Clean up anaconda packages (dppy/dpbench)	1m 6s
Clean up anaconda packages (dppy/dpcpp-llvm-spirv)	1m 3s
	6m 30s

Provide feedback