Revert "[lldb-dap] Test Gardening, improving DebugCommunication. (llvm#141689)"

This reverts commit 8a49db3.

Due to failures on Arm and AArch64 Linux:
https://lab.llvm.org/buildbot/#/builders/59/builds/18540
https://lab.llvm.org/buildbot/#/builders/18/builds/16759

  File "/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/test/API/tools/lldb-dap/evaluate/TestDAP_evaluate.py", line 22, in assertEvaluateFailure
    self.assertNotIn(
AssertionError: 'result' unexpectedly found in {'memoryReference': '0xFFFFF7CB3060', 'result': '0x0000000000000000', 'type': 'int *', 'variablesReference': 7}

FAIL: test_generic_evaluate_expressions (TestDAP_evaluate.TestDAP_evaluate)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/test/API/tools/lldb-dap/evaluate/TestDAP_evaluate.py", line 228, in test_generic_evaluate_expressions
    self.run_test_evaluate_expressions(enableAutoVariableSummaries=False)
  File "/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/test/API/tools/lldb-dap/evaluate/TestDAP_evaluate.py", line 117, in run_test_evaluate_expressions
    self.assertEvaluateFailure("list")  # local variable of a_function
  File "/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/test/API/tools/lldb-dap/evaluate/TestDAP_evaluate.py", line 22, in assertEvaluateFailure
    self.assertNotIn(
AssertionError: 'result' unexpectedly found in {'memoryReference': '0xFFFFF7CB3060', 'result': '0x0000000000000000', 'type': 'int *', 'variablesReference': 7}
Config=aarch64-/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang

The second one is because our bots have the libc debug info package installed,
the first, no idea.

Author: DavidSpickett