- get rid of libwayland-egl1/libwayland-egl-devel completely; also
for older Leap versions

- update to 18.2.0
* This release consists of nearly 2200 commits from approximately
130 developers.
* The top highlights include:
- OpenGL 4.3 on virgl.
- OpenGL 4.4 Compatibility profile on radeonsi.
- OpenGL ES 3.2 on radeonsi and virgl.
- GL_ARB_ES3_2_compatibility on radeonsi.
- GL_ARB_fragment_shader_interlock on i965.
- GL_ARB_sample_locations and GL_NV_sample_locations on nvc0 (GM200+).
- GL_ANDROID_extension_pack_es31a on radeonsi.
- GL_KHR_texture_compression_astc_ldr on radeonsi.
- GL_NV_conservative_raster and GL_NV_conservative_raster_dilate on
nvc0 (GM200+).
- GL_NV_conservative_raster_pre_snap_triangles on nvc0 (GP102+).
- multisampled images on nvc0 (GM107+) (now supported on GF100+).
* Additional features:
- ANV Extensions:
- VK_KHR_bind_memory2.
- VK_KHR_external_fence.
- VK_KHR_external_fence_capabilities.
- VK_KHR_external_semaphore.
- VK_KHR_external_semaphore_capabilities.
- VK_KHR_maintenance2.
- VK_KHR_maintenance3.
- VK_KHR_multiview.
- VK_KHR_relaxed_block_layout.
- VK_KHR_sampler_ycbcr_conversion.
- VK_KHR_8bit_storage.
- VK_KHR_create_renderpass2.
- VK_KHR_display.
- VK_KHR_display_swapchain.
- VK_KHR_external_fence_fd.
- VK_KHR_external_semaphore_fd.
- VK_KHR_get_display_properties2.
- VK_KHR_image_format_list.
- RADV Extensions:
- VK_KHR_bind_memory2.
- VK_KHR_external_fence.
- VK_KHR_external_fence_capabilities.
- VK_KHR_maintenance2.
- VK_KHR_maintenance3.
- VK_KHR_multiview.
- VK_KHR_relaxed_block_layout.
- VK_KHR_create_renderpass2.
- VK_KHR_display.
- VK_KHR_display_swapchain.
- VK_KHR_draw_indirect_count.
- VK_KHR_external_fence_fd.
- VK_KHR_get_display_properties2.
- VK_KHR_get_surface_capabilities2.
- VK_KHR_image_format_list.
- New GL extensions supported by all drivers:
- GL_OES_EGL_image_external.
- GL_OES_EGL_image_external_essl3.
- freedreno:
- GL 3.0's multisample anti-aliasing support on a5xx.
- GL_ARB_texture_multisample support on a5xx.
- GLES3.1's GS5 Packing/bitfield/conversion functions support on a5xx.
- Dynamically uniform UBO array indices.
- Packing/bitfield/conversion functions.
- Enhanced textureGather.
- GL_OES_texture_buffer.
- GL_ARB_seamless_cubemap_per_texture.
- i965:
- GL_OES_texture_view on gen8+.
- GL_EXT_texture_norm16.
- nouveau:
- GL_ARB_post_depth_coverage.
- GL_ARB_sample_locations.
- GL_EXT_texture_norm16.
- r600:
- GL_EXT_texture_norm16.
- radeonsi:
- GL_EXT_texture_norm16.
- virgl:
- GL_ARB_seamless_cubemap_per_texture.
- GL_ARB_shader_stencil_export.
- supersedes u_r600-egd_tables.py-make-the-script-python-2-3-compat.patch,
u_intel_anv-make-scripts-python-2-3-compat.patch
- U_intel-decoder-mark-total_length-as-MAYBE_UNUSED-in-g.patch,
U_intel-aubinator-mark-ftruncate_res-as-MAYBE_UNUSED-i.patch,
U_python-Fix-rich-comparisons.patch,
U_python-Use-key-functions-when-sorting-containers.patch
* buildfixes ...