Remove completely MBEDTLS_PLATFORM_GET_ENTROPY_ALT

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/scripts/config.py b/scripts/config.py
index e60d160..6c4cc15 100755
--- a/scripts/config.py
+++ b/scripts/config.py
@@ -120,7 +120,6 @@
     an implementation of the relevant functions and an xxx_alt.h header.
     """
     if name in (
-            'MBEDTLS_PLATFORM_GET_ENTROPY_ALT',
             'MBEDTLS_PLATFORM_GMTIME_R_ALT',
             'MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT',
             'MBEDTLS_PLATFORM_MS_TIME_ALT',
diff --git a/tests/scripts/analyze_outcomes.py b/tests/scripts/analyze_outcomes.py
index 8660e68..88c450f 100755
--- a/tests/scripts/analyze_outcomes.py
+++ b/tests/scripts/analyze_outcomes.py
@@ -124,8 +124,6 @@
             # Untested platform-specific optimizations.
             # https://github.com/Mbed-TLS/mbedtls/issues/9588
             'Config: MBEDTLS_HAVE_SSE2',
-            # Obsolete config option that we are about to remove
-            'Config: MBEDTLS_PLATFORM_GET_ENTROPY_ALT',
             # Untested aspect of the platform interface.
             # https://github.com/Mbed-TLS/mbedtls/issues/9589
             'Config: MBEDTLS_PLATFORM_NO_STD_FUNCTIONS',