package/ci: disable ES2 (EGL) builds.
package/ci: disable ES2 (EGL) builds.

SDL2 is using GLX and so the build fails.

Squareys/magnum-examples,mosra/magnum-examples,mosra/magnum-examples,mosra/magnum-examples,mosra/magnum-examples,Squareys/magnum-examples,Squareys/magnum-examples,mosra/magnum-examples,mosra/magnum-examples,Squareys/magnum-examples,mosra/magnum-examples