Remove fiji-BIG components

They were removed from the pom-scijava BOM in 2017:
  scijava/pom-scijava@c5e412a

Author: ctrueden

projects.txt

@@ -15,25 +15,13 @@ org.openmicroscopy:omero-gateway https://github.com/ome/omero-gateway-java
 org.openmicroscopy:specification https://github.com/ome/ome-model
 org.scijava:j3dcore https://github.com/scijava/java3d-core
 org.scijava:j3dutils https://github.com/scijava/java3d-utils
-sc.fiji:Differentials https://github.com/fiji-BIG/Differentials
-sc.fiji:Extended_Depth_Field https://github.com/fiji-BIG/Extended_Depth_Field
-sc.fiji:MosaicJ_ https://github.com/fiji-BIG/MosaicJ
-sc.fiji:PointPicker_ https://github.com/fiji-BIG/PointPicker
-sc.fiji:SheppLogan_ https://github.com/fiji-BIG/SheppLogan
 sc.fiji:Simple_Neurite_Tracer https://github.com/fiji/SNT
-sc.fiji:Snakuscule_ https://github.com/fiji-BIG/Snakuscule
-sc.fiji:StackReg_ https://github.com/fiji-BIG/StackReg
 sc.fiji:T2-NIT https://github.com/trakem2/T2-NIT
 sc.fiji:T2-TreelineGraph https://github.com/trakem2/T2-TreelineGraph
 sc.fiji:TrakEM2_ https://github.com/trakem2/TrakEM2
-sc.fiji:TurboReg_ https://github.com/fiji-BIG/TurboReg
-sc.fiji:UnwarpJ_ https://github.com/fiji-BIG/UnwarpJ
 sc.fiji:VectorString https://github.com/trakem2/VectorString
 sc.fiji:bigwarp_fiji https://github.com/saalfeldlab/bigwarp
-sc.fiji:imageware https://github.com/fiji-BIG/imageware
-sc.fiji:mij https://github.com/fiji-BIG/mij
 sc.fiji:spim_data https://github.com/bigdataviewer/spimdata
 sc.fiji:trakem2-transform https://github.com/trakem2/trakem2-transform
 sc.fiji:trakem2_tps https://github.com/saalfeldlab/trakem2-tps
-sc.fiji:wavelets https://github.com/fiji-BIG/wavelets
 sc.fiji:z_spacing https://github.com/saalfeldlab/z-spacing