/usr/share/themes/Raleigh/gtk-2.0/gtkrc is in libgtk2.0-common 2.24.10-0ubuntu6.3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | #
# This theme is the default theme if no other theme is selected.
#
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