drm/i915: Remove extra unlikely helper

In IS_ERR, the unlikely is used for the input parameter,
so these is no need to use it again outside.

Signed-off-by: Hongbo Li <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Reviewed-by: Rodrigo Vivi <[email protected]>
Signed-off-by: Rodrigo Vivi <[email protected]>

Author: Hongbo Li

drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c

@@ -827,7 +827,7 @@ static int eb_select_context(struct i915_execbuffer *eb)
 	struct i915_gem_context *ctx;
 
 	ctx = i915_gem_context_lookup(eb->file->driver_priv, eb->args->rsvd1);
-	if (unlikely(IS_ERR(ctx)))
+	if (IS_ERR(ctx))
 		return PTR_ERR(ctx);
 
 	eb->gem_context = ctx;