OGL: Remove support for NV_depth_buffer_float.

We can't clamp the depth values to the 24-bit range while this extension is active.

Source/Core/Core/Analytics.cpp

@@ -234,8 +234,6 @@ void DolphinAnalytics::MakePerGameBuilder()
   builder.AddData("gpu-has-dual-source-blend", g_Config.backend_info.bSupportsDualSourceBlend);
   builder.AddData("gpu-has-primitive-restart", g_Config.backend_info.bSupportsPrimitiveRestart);
   builder.AddData("gpu-has-oversized-viewports", g_Config.backend_info.bSupportsOversizedViewports);
-  builder.AddData("gpu-has-oversized-depth-ranges",
-                  g_Config.backend_info.bSupportsOversizedDepthRanges);
   builder.AddData("gpu-has-geometry-shaders", g_Config.backend_info.bSupportsGeometryShaders);
   builder.AddData("gpu-has-3d-vision", g_Config.backend_info.bSupports3DVision);
   builder.AddData("gpu-has-early-z", g_Config.backend_info.bSupportsEarlyZ);