docs: reword ilo removal note
docs: reword ilo removal note

Properly annotate <li> and keep the note analogous to all the previous
ones - OpenVG, st/egl, etc.

Signed-off-by: Emil Velikov <f20878473f414da183da19ee25c8722cc1d711e4@collabora.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler