Remove myself from GDAL project members

I'm no longer an active contributor to GDAL project.

Author: mloskot

projects/gdal/project.yaml

@@ -4,7 +4,6 @@ language: c++
 primary_contact: "even.rouault@gmail.com"
 auto_ccs:
   - "schwehr@gmail.com"
-  - "mateusz@loskot.net"
   - "bishop.dev@gmail.com"
   - "juergen.fischer@gmail.com"
   - "athomas@thinkspatial.com.au"