Remove saturnin itself from regular ("small") debug

src/bin/app.skel

     SATURNIN_LIBEXEC_PREFIX="__MKIT_PROJ_PKGNAME__-"
     SHELLFU_PATH="__SATURNIN_SHELLFU_DIR__"
     PRETTY_USAGE="subcommand"
-    PRETTY_DEBUG_EXCLUDE="$PRETTY_DEBUG_EXCLUDE:inigrep"
+    PRETTY_DEBUG_EXCLUDE="$PRETTY_DEBUG_EXCLUDE,inigrep,saturnin"
 }
 
 shellfu import saturnin