Remove flaky ROCP_OPT_MODE test

This test fails occasionally on weekly builds of rocm. It looks like
the flag isn't even used outside of this test case (not even in docs).
Lets remove the test for this flag. Leaving the underlying code in place
in case we need to revive.

Change-Id: I4e0a36ad8a3e286f8ff64780583462711c73c1ba

test/run.sh

@@ -140,15 +140,6 @@ export ROCP_THRS=10
 export ROCP_INPUT=$BIN_DIR/pmc_input.xml
 eval_test "'rocprof' rocprof-tool PMC n-thread test" $BIN_DIR/test/rocprof-ctrl
 
-export ROCP_OPT_MODE=1
-export ROCP_KITER=20
-export ROCP_DITER=20
-export ROCP_AGENTS=1
-export ROCP_THRS=10
-export ROCP_INPUT=$BIN_DIR/pmc_input.xml
-eval_test "'rocprof' rocprof-tool PMC n-thread opt test" $BIN_DIR/test/rocprof-ctrl
-unset ROCP_OPT_MODE
-
 export ROCP_KITER=20
 export ROCP_DITER=20
 export ROCP_AGENTS=1