remove directories in addition to files deletion on windows (#548)

try to find a `rm -rf dpctl` analog on windows cmd

Author: shssf

scripts/build_deps_dpctl_win.bat

@@ -31,6 +31,7 @@ call conda install -y %DPCTL_DIST%/win-64/%DPCTL_PACKAGE_NAME%
 cd ..
 echo +++++++++++++++++++++++++ cleanup DPCTL sources +++++++++++++++++++++++++++
 del /F/Q/S dpctl
+rmdir /Q/S dpctl
 
 dir /s/b "%ONEAPI_ROOT%\libDPCTLSyclInterface.so"