Modifies tests in context-info.sh

Commit modifies tests involving
MBEDTLS_SSL_TRUNCATED_HMAC in the
context-info.sh script.

Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>
diff --git a/tests/context-info.sh b/tests/context-info.sh
index e02d330..88dfcaa 100755
--- a/tests/context-info.sh
+++ b/tests/context-info.sh
@@ -210,7 +210,6 @@
          -u "MBEDTLS_HAVE_TIME$" \
          -u "MBEDTLS_X509_CRT_PARSE_C$" \
          -u "MBEDTLS_SSL_MAX_FRAGMENT_LENGTH$" \
-         -u "MBEDTLS_SSL_TRUNCATED_HMAC$" \
          -u "MBEDTLS_SSL_ENCRYPT_THEN_MAC$" \
          -u "MBEDTLS_SSL_SESSION_TICKETS$" \
          -u "MBEDTLS_SSL_SESSION_TICKETS and client$" \
@@ -233,7 +232,6 @@
          -u "MBEDTLS_HAVE_TIME$" \
          -u "MBEDTLS_X509_CRT_PARSE_C$" \
          -u "MBEDTLS_SSL_MAX_FRAGMENT_LENGTH$" \
-         -u "MBEDTLS_SSL_TRUNCATED_HMAC$" \
          -u "MBEDTLS_SSL_ENCRYPT_THEN_MAC$" \
          -u "MBEDTLS_SSL_SESSION_TICKETS$" \
          -u "MBEDTLS_SSL_SESSION_TICKETS and client$" \
@@ -339,7 +337,6 @@
          "srv_min_cfg.txt" \
          -n "ERROR" \
          -n "MBEDTLS_SSL_MAX_FRAGMENT_LENGTH$" \
-         -n "MBEDTLS_SSL_TRUNCATED_HMAC$" \
          -n "MBEDTLS_SSL_ENCRYPT_THEN_MAC$" \
          -n "MBEDTLS_SSL_SESSION_TICKETS$" \
          -n "MBEDTLS_SSL_SESSION_TICKETS and client$" \
@@ -350,7 +347,6 @@
          "cli_min_cfg.txt" \
          -n "ERROR" \
          -n "MBEDTLS_SSL_MAX_FRAGMENT_LENGTH$" \
-         -n "MBEDTLS_SSL_TRUNCATED_HMAC$" \
          -n "MBEDTLS_SSL_ENCRYPT_THEN_MAC$" \
          -n "MBEDTLS_SSL_SESSION_TICKETS$" \
          -n "MBEDTLS_SSL_SESSION_TICKETS and client$" \