[llvm] [lit] Fix inconsistent test order in shtest-keyword-parse-errors

Remove test times when running shtest-keyword-parse-errors test,
in order to prevent the previous executions from impacting subtest
order and therefore causing FileCheck to fail.

Differential Revision: https://reviews.llvm.org/D107427

(cherry picked from commit 39fa96a)

llvm/utils/lit/tests/shtest-keyword-parse-errors.py

@@ -1,3 +1,6 @@
+# FIXME: this test depends on order of tests
+# RUN: rm -f %{inputs}/shtest-keyword-parse-errors/.lit_test_times.txt
+
 # RUN: not %{lit} -j 1 -vv %{inputs}/shtest-keyword-parse-errors > %t.out
 # RUN: FileCheck -input-file %t.out %s
 #