Remove a XySSL-era comment that has run its course

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>

library/Makefile

@@ -36,8 +36,6 @@ GENERATED_FILES += \
 	$(TF_PSA_CRYPTO_CORE_PATH)/tf_psa_crypto_config_check_final.h \
 	$(TF_PSA_CRYPTO_CORE_PATH)/tf_psa_crypto_config_check_user.h
 
-# Also see "include/mbedtls/mbedtls_config.h"
-
 CFLAGS	?= -O2
 WARNING_CFLAGS ?=  -Wall -Wextra -Wformat=2 -Wno-format-nonliteral
 LDFLAGS ?=

scripts/common.make

@@ -1,5 +1,3 @@
-# To compile on SunOS: add "-lsocket -lnsl" to LDFLAGS
-
 ifndef MBEDTLS_PATH
 MBEDTLS_PATH := ..
 endif
@@ -23,6 +21,8 @@ WARNING_CFLAGS ?= -Wall -Wextra -Wformat=2 -Wno-format-nonliteral
 WARNING_CXXFLAGS ?= -Wall -Wextra -Wformat=2 -Wno-format-nonliteral -std=c++11 -pedantic
 LDFLAGS ?=
 
+# To compile on SunOS: add "-lsocket -lnsl" to LDFLAGS
+
 LOCAL_CFLAGS = $(WARNING_CFLAGS) -I$(MBEDTLS_TEST_PATH)/include \
                -I$(MBEDTLS_PATH)/framework/tests/include \
                -I$(MBEDTLS_PATH)/include -I$(MBEDTLS_PATH)/tf-psa-crypto/include \