[lldb][test] Fix unexpected pass of TestBSDArchives on Windows

Originally failing due to #24901,
but since #110837 the
test is passing.

https://lab.llvm.org/buildbot/#/builders/141/builds/3012

My guess is that the `llvm-` tool has better support for static
libraries on Windows.

Author: DavidSpickett

lldb/test/API/functionalities/archives/TestBSDArchives.py

@@ -21,10 +21,6 @@ def setUp(self):
         # Find the line number in a(int) to break at.
         self.line = line_number("a.c", "// Set file and line breakpoint inside a().")
 
-    @expectedFailureAll(
-        oslist=["windows"],
-        bugnumber="llvm.org/pr24527.  Makefile.rules doesn't know how to build static libs on Windows",
-    )
     def test(self):
         """Break inside a() and b() defined within libfoo.a."""
         self.build()