Revert "[lldb-dap] Support column breakpoints (#113787)"

This reverts commit 4f48a81a620bc9280be4780f3554cdc9bda55bd3.

The newly added test was failing on the public macOS Arm64 bots:
```
======================================================================
FAIL: test_column_breakpoints (TestDAP_breakpointLocations.TestDAP_setBreakpoints)
   Test retrieving the available breakpoint locations.
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/ec2-user/jenkins/workspace/llvm.org/as-lldb-cmake/llvm-project/lldb/test/API/tools/lldb-dap/breakpoint/TestDAP_breakpointLocations.py", line 77, in test_column_breakpoints
    self.assertEqual(
AssertionError: Lists differ: [{'co[70 chars]e': 41}, {'column': 3, 'line': 42}, {'column': 18, 'line': 42}] != [{'co[70 chars]e': 42}, {'column': 18, 'line': 42}]

First differing element 2:
{'column': 3, 'line': 41}
{'column': 3, 'line': 42}

First list contains 1 additional elements.
First extra element 4:
{'column': 18, 'line': 42}

  [{'column': 39, 'line': 40},
   {'column': 51, 'line': 40},
-  {'column': 3, 'line': 41},
   {'column': 3, 'line': 42},
   {'column': 18, 'line': 42}]
Config=arm64-/Users/ec2-user/jenkins/workspace/llvm.org/as-lldb-cmake/lldb-build/bin/clang
----------------------------------------------------------------------
Ran 1 test in 1.554s

FAILED (failures=1)
```

0 files changed, 0 insertions, 0 deletions