Removed unused examples. #1825

Job	Run time
Detect File Changes	10s
Detect File Changes	10s
Github (ubuntu, mpi, debug, true)	1h 3m 50s
Github (ubuntu, mpi, debug, true)	1h 3m 50s
Github (ubuntu, mpi, debug, false)	1h 42m 4s
Github (ubuntu, mpi, debug, false)	1h 42m 4s
Github (ubuntu, mpi, no-debug, true)	1h 9m 25s
Github (ubuntu, mpi, no-debug, true)	1h 9m 25s
Github (ubuntu, mpi, no-debug, false)	1h 44m 22s
Github (ubuntu, mpi, no-debug, false)	1h 44m 22s
Github (macos, mpi, debug, false)	32m 22s
Github (macos, mpi, debug, false)	32m 22s
Self Hosted (cpu, gt)	48m 54s
Self Hosted (cpu, gt)	48m 54s
Github (macos, mpi, no-debug, false)	47m 32s
Github (macos, mpi, no-debug, false)	47m 32s
Self Hosted (gpu, gt)	56m 48s
Self Hosted (gpu, gt)	56m 48s
Github (ubuntu, no-mpi, single, no-debug, false)	22m 4s
Github (ubuntu, no-mpi, single, no-debug, false)	22m 4s
Self Hosted (gpu, frontier)	1h 31m 29s
Self Hosted (gpu, frontier)	1h 18m 36s
	21h 5m 7s

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