crypto: s5p-sss: Remove redundant platform_set_drvdata()

Commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Vladimir Zapolskiy <vzapolskiy@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/s5p-sss.c

@@ -647,7 +647,6 @@ static int s5p_aes_probe(struct platform_device *pdev)
 	clk_disable(pdata->clk);
 
 	s5p_dev = NULL;
-	platform_set_drvdata(pdev, NULL);
 
 	return err;
 }
@@ -668,7 +667,6 @@ static int s5p_aes_remove(struct platform_device *pdev)
 	clk_disable(pdata->clk);
 
 	s5p_dev = NULL;
-	platform_set_drvdata(pdev, NULL);
 
 	return 0;
 }