[lldb] Fix TestAPILog.py for reproducer replay

With the log file being a build artifact we don't need to clean it up.
If this happens before the reproducer is captured, the file will be
missing from the reproducer root but being part of the mapping.

lldb/test/API/api/log/TestAPILog.py

@@ -19,20 +19,15 @@ class APILogTestCase(TestBase):
         """Test API logging"""
         logfile = self.getBuildArtifact("api-log.txt")
 
-        def cleanup():
-            if os.path.exists(logfile):
-                os.unlink(logfile)
-
-        if configuration.is_reproducer_replay():
-            logfile = self.getReproducerRemappedPath(logfile)
-
-        self.addTearDownHook(cleanup)
         self.expect("log enable lldb api -f {}".format(logfile))
 
         self.dbg.SetDefaultArchitecture(None)
         self.dbg.GetScriptingLanguage(None)
         target = self.dbg.CreateTarget(None)
 
+        if configuration.is_reproducer_replay():
+            logfile = self.getReproducerRemappedPath(logfile)
+
         self.assertTrue(os.path.isfile(logfile))
         with open(logfile, 'r') as f:
             log = f.read()