crypto: aesni - Fix double word in comments

Remove the repeated word "if" in comments.
Signed-off-by: Bo Liu <liubo03@inspur.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

arch/x86/crypto/aesni-intel_asm.S

@@ -672,7 +672,7 @@ ALL_F:      .octa 0xffffffffffffffffffffffffffffffff
 	add	%r13, %r10
 	# Set r10 to be the amount of data left in CYPH_PLAIN_IN after filling
 	sub	$16, %r10
-	# Determine if if partial block is not being filled and
+	# Determine if partial block is not being filled and
 	# shift mask accordingly
 	jge	.L_no_extra_mask_1_\@
 	sub	%r10, %r12
@@ -708,7 +708,7 @@ ALL_F:      .octa 0xffffffffffffffffffffffffffffffff
 	add	%r13, %r10
 	# Set r10 to be the amount of data left in CYPH_PLAIN_IN after filling
 	sub	$16, %r10
-	# Determine if if partial block is not being filled and
+	# Determine if partial block is not being filled and
 	# shift mask accordingly
 	jge	.L_no_extra_mask_2_\@
 	sub	%r10, %r12

arch/x86/crypto/aesni-intel_avx-x86_64.S

@@ -753,7 +753,7 @@ VARIABLE_OFFSET = 16*8
         add	%r13, %r10
         # Set r10 to be the amount of data left in CYPH_PLAIN_IN after filling
         sub	$16, %r10
-        # Determine if if partial block is not being filled and
+        # Determine if partial block is not being filled and
         # shift mask accordingly
         jge	.L_no_extra_mask_1_\@
         sub	%r10, %r12
@@ -789,7 +789,7 @@ VARIABLE_OFFSET = 16*8
         add	%r13, %r10
         # Set r10 to be the amount of data left in CYPH_PLAIN_IN after filling
         sub	$16, %r10
-        # Determine if if partial block is not being filled and
+        # Determine if partial block is not being filled and
         # shift mask accordingly
         jge	.L_no_extra_mask_2_\@
         sub	%r10, %r12