Drop Pango (unused)

[jbeich]

git log -p has no pango_ matches, so it's probably a copy-paste artifact (when using another project as a template).

Found downstream when using Meson (Wl,--as-needed by default):

=>> Checking shared library dependencies
 0x0000000000000001 NEEDED               Shared library: [libEGL.so.1]
 0x0000000000000001 NEEDED               Shared library: [libGL.so.1]
 0x0000000000000001 NEEDED               Shared library: [libc.so.7]
 0x0000000000000001 NEEDED               Shared library: [libcairo.so.2]
 0x0000000000000001 NEEDED               Shared library: [libinput.so.10]
 0x0000000000000001 NEEDED               Shared library: [libm.so.5]
 0x0000000000000001 NEEDED               Shared library: [libpixman-1.so.0]
 0x0000000000000001 NEEDED               Shared library: [libwayland-server.so.0]
 0x0000000000000001 NEEDED               Shared library: [libwlroots.so.11]
 0x0000000000000001 NEEDED               Shared library: [libxcb.so.1]
 0x0000000000000001 NEEDED               Shared library: [libxkbcommon.so.0]