Revert "Enable process_swap_on_cross_site_navigation_enabled by default"

This reverts commit bd2a6c23.
1 job for next in 31 seconds (queued for 1 second)
Status Job ID Name Coverage
  Flatpak
failed #629937
flatpak

00:00:31

 
Name Stage Failure
failed
flatpak Flatpak
Committing stage init to cache
Starting build of org.gnome.Eolie
fuse: device not found, try 'modprobe fuse' first
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Building module gst-libav in /builds/World/eolie/.flatpak-builder/build/gst-libav-1
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error: Build directory /builds/World/eolie/.flatpak-builder/rofiles/rofiles-4GxDvv not initialized, use flatpak build-init
Error: module gst-libav: Child process exited with code 1
ERROR: Job failed: exit code 1