Remove MBEDTLS_FS_IO and MBEDTLS_SHA1_C

  They are already defined in target.json file and causing redefinition warnings

Author: pennam

variants/NICLA_VISION/conf/custom_mbedtls_config.h

@@ -1163,7 +1163,7 @@ void * tstDoTraceAndCalloc(
  *
  * Enable functions that use the filesystem.
  */
-#define MBEDTLS_FS_IO
+//#define MBEDTLS_FS_IO
 
 /**
  * \def MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES
@@ -2770,7 +2770,7 @@ void * tstDoTraceAndCalloc(
  *            on it, and considering stronger message digests instead.
  *
  */
-#define MBEDTLS_SHA1_C
+//#define MBEDTLS_SHA1_C
 
 /**
  * \def MBEDTLS_SHA256_C