lib: Remove duplicate newlines

Drop all duplicate newlines. No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>

lib/crypt/crypt-sha256.c

@@ -72,7 +72,6 @@ struct sha256_buffer
 static_assert (sizeof (struct sha256_buffer) <= ALG_SPECIFIC_SIZE,
                "ALG_SPECIFIC_SIZE is too small for SHA256");
 
-
 /* Use this instead of including errno.h */
 static int errno;
 

lib/crypt/crypt-sha512.c

@@ -72,7 +72,6 @@ struct sha512_buffer
 static_assert (sizeof (struct sha512_buffer) <= ALG_SPECIFIC_SIZE,
                "ALG_SPECIFIC_SIZE is too small for SHA512");
 
-
 /* Use this instead of including errno.h */
 static int errno;