[kwinglutils] Drop eglResolveFunctions

Summary:
Method doesn't do anything. If at some point we want to resolve egl
functions again, it should be done in the Platform, just like
glxResolveFunctions is nowadays done in the platform.

Reviewers: #kwin, #plasma

Subscribers: plasma-devel, kwin

Tags: #kwin

Differential Revision: https://phabricator.kde.org/D3391

libkwineffects/kwinglutils.cpp

@@ -76,7 +76,6 @@ void initEGL()
         dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
     const QByteArray string = eglQueryString(dpy, EGL_EXTENSIONS);
     s_eglExtensions = string.split(' ');
-    eglResolveFunctions();
 }
 
 void initGL(std::function<resolveFuncPtr(const char*)> resolveFunction)

libkwineffects/kwinglutils_funcs.cpp

@@ -40,10 +40,6 @@ glGetGraphicsResetStatus_func glGetGraphicsResetStatus;
 glReadnPixels_func            glReadnPixels;
 glGetnUniformfv_func          glGetnUniformfv;
 
-void eglResolveFunctions()
-{
-}
-
 void glResolveFunctions(std::function<resolveFuncPtr(const char*)> resolveFunction)
 {
     const bool haveArbRobustness = hasGLExtension(QByteArrayLiteral("GL_ARB_robustness"));

libkwineffects/kwinglutils_funcs.h

@@ -48,8 +48,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 namespace KWin
 {
 
-void KWINGLUTILS_EXPORT eglResolveFunctions();
-
 typedef void (*resolveFuncPtr)();
 void KWINGLUTILS_EXPORT glResolveFunctions(std::function<resolveFuncPtr(const char*)> resolveFunction);