Update example for new SlimPlotting #963

Job	Run time
list-examples	7s
examples/machine-learning/example_born_fully_connected.jl	2m 48s
examples/machine-learning/example_extended_source.jl	2m 32s
examples/machine-learning/example_extended_source_cnn.jl	3m 1s
examples/scripts/extended_source_lsqr.jl	3m 0s
examples/scripts/fwi_example_2D.jl	5m 43s
examples/scripts/fwi_example_ADloss.jl	3m 33s
examples/scripts/fwi_example_NLopt.jl	2m 48s
examples/scripts/fwi_example_constraints.jl	3m 23s
examples/scripts/fwi_example_minConf.jl	2m 58s
examples/scripts/fwi_example_studentst.jl	3m 15s
examples/scripts/fwi_gauss_newton.jl	3m 51s
examples/scripts/illum.jl	3m 29s
examples/scripts/imaging_conditions.jl	2m 42s
examples/scripts/lsrtm_2D.jl	3m 43s
examples/scripts/modeling_basic_2D.jl	4m 27s
examples/scripts/modeling_basic_3D.jl	2m 57s
examples/scripts/modeling_basic_elastic.jl	2m 37s
examples/scripts/modeling_extended_source_2D.jl	3m 2s
examples/scripts/modeling_extended_source_3D.jl	3m 20s
examples/scripts/modeling_medical_2D.jl	2m 52s
examples/scripts/modeling_wavefields_2D.jl	2m 47s
examples/scripts/splsrtm_2D.jl	3m 18s
	1h 12m 13s

Provide feedback