File remove_time_tests.patch of Package abseil-cpp-opt

Abseil's absl_time_test is known to be flaky, especially in CI environments, see https://github.com/abseil/abseil-cpp/issues/329.
Removing this test altogether to avoid package build problems.

Index: a/absl/time/CMakeLists.txt b/absl/time/CMakeLists.txt
===================================================================
--- a/absl/time/CMakeLists.txt
+++ b/absl/time/CMakeLists.txt
@@ -104,29 +104,6 @@ absl_cc_library(
   TESTONLY
 )
 
-absl_cc_test(
-  NAME
-    time_test
-  SRCS
-    "civil_time_test.cc"
-    "clock_test.cc"
-    "duration_test.cc"
-    "format_test.cc"
-    "time_test.cc"
-    "time_zone_test.cc"
-  COPTS
-    ${ABSL_TEST_COPTS}
-  DEPS
-    absl::time_internal_test_util
-    absl::time
-    absl::config
-    absl::core_headers
-    absl::strings
-    absl::str_format
-    absl::time_zone
-    GTest::gmock_main
-)
-
 absl_cc_test(
   NAME
     flag_test