Avoid test conflicts between peano and chess

Basically there are two kinds of tests:
1) tests which can use either compiler
2) tests which specifically use one or the other

We need to be careful in the second case to not mix the two compilers.

test/unit_tests/aie/31_stream_core/aie.mlir

@@ -8,11 +8,10 @@
 //
 //===----------------------------------------------------------------------===//
 
-// REQUIRES: peano, !hsa
+// REQUIRES: !hsa
 
 // RUN: %PYTHON aiecc.py --aiesim --no-xchesscc --xbridge %VitisSysrootFlag% --host-target=%aieHostTargetTriplet% %link_against_hsa% %s %test_lib_flags %S/test.cpp -o test.elf
 // RUN: %run_on_board ./test.elf
-// RUN: sh -c 'aie.mlir.prj/aiesim.sh; exit 0' | FileCheck %s
 
 // CHECK: test start.
 // CHECK: PASS!