zink: remove excessive checks for loader version

Reviewed-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8521>

src/gallium/drivers/zink/zink_screen.c

diff --git a/src/gallium/drivers/zink/zink_screen.c b/src/gallium/drivers/zink/zink_screen.c
index 2e47359..9809ffb 100644
--- a/src/gallium/drivers/zink/zink_screen.c
+++ b/src/gallium/drivers/zink/zink_screen.c
@@ -113,8 +113,7 @@
              screen->vk_CmdDrawIndexedIndirectCount;
 
    case PIPE_CAP_START_INSTANCE:
-      return screen->loader_version >= VK_MAKE_VERSION(1,1,0) &&
-             screen->info.feats11.shaderDrawParameters;
+      return screen->info.feats11.shaderDrawParameters;
 
    case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
       return screen->info.have_EXT_vertex_attribute_divisor;
@@ -407,8 +406,7 @@
       case PIPE_SHADER_TESS_CTRL:
       case PIPE_SHADER_TESS_EVAL:
          if (screen->info.feats.features.tessellationShader &&
-             (screen->instance_info.have_KHR_maintenance2 ||
-              VK_MAKE_VERSION(1,1,0) <= screen->loader_version))
+             screen->instance_info.have_KHR_maintenance2)
             return INT_MAX;
          break;