I have no idea why/how this ever worked

Now it doesn't. It's also not very useful anyway, since the static gles3
mode only works with emscripten, for which we manually specify GL
linking flags.

src/renderer/gles30/meson.build

@@ -8,6 +8,3 @@ r_gles30_libdeps = r_glescommon_libdeps
 
 config.set('TAISEI_BUILDCONF_RENDERER_STATIC_GLES30', static_gles30)
 
-if static_gles30
-    r_gles30_libdeps += [dependency('glesv2'), dependency('egl')]
-endif