Remove unused and duplicated erros, fix documentation and tests

Remove unused and duplicated erros, fix documentation and tests
diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index b4bf660..7cb38d9 100644
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -378,10 +378,10 @@
                                  key, sizeof( key ) ) == PSA_SUCCESS );
 
     TEST_ASSERT( psa_set_key_lifetime( key_slot, 
-								 lifetime_set ) == PSA_SUCCESS );
+                                 lifetime_set ) == PSA_SUCCESS );
     
     TEST_ASSERT( psa_get_key_lifetime( key_slot, 
-								 &lifetime_get ) == PSA_SUCCESS );
+                                 &lifetime_get ) == PSA_SUCCESS );
 
     TEST_ASSERT( lifetime_get == lifetime_set );