Remove duplicate test case

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
diff --git a/tests/suites/test_suite_mpi.data b/tests/suites/test_suite_mpi.data
index 754652b..581f2f4 100644
--- a/tests/suites/test_suite_mpi.data
+++ b/tests/suites/test_suite_mpi.data
@@ -723,9 +723,6 @@
 mbedtls_mpi_mod_raw_cond_swap: same value
 mpi_mod_raw_cond_swap:"FFFFFFFF":"FFFFFFFF":4:0
 
-mbedtls_mpi_mod_raw_cond_swap: same value
-mpi_mod_raw_cond_swap:"FFFFFFFF":"FFFFFFFF":4:0
-
 mbedtls_mpi_mod_raw_cond_swap: 1 limb
 mpi_mod_raw_cond_swap:"FFFFFFFF":"11111111":4:0