egl: inline _EGLAPI into _EGLDriver
_EGLDriver was an empty wrapper around _EGLAPI, so let's only keep one of them.
"driver" represents better what's being accessed, so that's the one we're keeping.
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_EGLDriver was an empty wrapper around _EGLAPI, so let's only keep one of them.
"driver" represents better what's being accessed, so that's the one we're keeping.