evalFuture(): Remove argument 'immediateConditions' #407

Job	Run time
future.batchtools (release)	4m 40s
future.callr (release)	3m 55s
doFuture (release)	3m 35s
future.apply (release)	4m 16s
furrr (release)	4m 18s
doFuture (release) multisession	4m 6s
future.apply (release) multisession	4m 57s
furrr (release) multisession	4m 27s
future.apply (release) keepWhere	4m 1s
future.apply (release) !keepWhere	4m 20s
	42m 35s

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