Add ifdef to remove BDF for large mechanisms on the GPU (#430) #1031

Job	Run time
CEPTR (3.10, 1.4.2)	1m 40s
Formatting	4m 45s
Codespell	24s
Transport-EOS-Reactions (gnu, 3.10, 1.4.2)	14m 26s
Transport-EOS-Reactions (llvm, 3.10, 1.4.2)	12m 9s
Transport-EOS-Reactions (cuda, 3.10, 1.4.2)	11m 17s
Transport-EOS-Reactions (hip, 3.10, 1.4.2)	17m 25s
Transport-EOS-Reactions (sycl, 3.10, 1.4.2)	50m 50s
	1h 52m 56s

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