Update example for new SlimPlotting #966

Job	Run time
list-examples	5s
examples/machine-learning/example_born_fully_connected.jl	2m 42s
examples/machine-learning/example_extended_source.jl	2m 28s
examples/machine-learning/example_extended_source_cnn.jl	3m 30s
examples/scripts/extended_source_lsqr.jl	2m 51s
examples/scripts/fwi_example_2D.jl	3m 22s
examples/scripts/fwi_example_ADloss.jl	3m 13s
examples/scripts/fwi_example_NLopt.jl	2m 40s
examples/scripts/fwi_example_constraints.jl	3m 26s
examples/scripts/fwi_example_minConf.jl	2m 52s
examples/scripts/fwi_example_studentst.jl	3m 23s
examples/scripts/fwi_gauss_newton.jl	3m 47s
examples/scripts/illum.jl	3m 31s
examples/scripts/imaging_conditions.jl	2m 56s
examples/scripts/lsrtm_2D.jl	3m 50s
examples/scripts/modeling_basic_2D.jl	7m 18s
examples/scripts/modeling_basic_3D.jl	3m 5s
examples/scripts/modeling_basic_elastic.jl	2m 30s
examples/scripts/modeling_extended_source_2D.jl	2m 55s
examples/scripts/modeling_extended_source_3D.jl	2m 59s
examples/scripts/modeling_medical_2D.jl	2m 38s
examples/scripts/modeling_wavefields_2D.jl	2m 49s
examples/scripts/splsrtm_2D.jl	3m 56s
	1h 12m 46s

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