gh-152190: Fix memory checking failure in test_strip_removed_large_file_with_dd_no_sig

Remove the overly restrictive `allowed_memory` override (200 KiB) in
`test_strip_removed_large_file_with_dd_no_sig` to prevent a memory
checking failure.

Author: danny0838

Lib/test/test_zipfile64.py

@@ -201,7 +201,6 @@ def test_strip_removed_large_file_with_dd_no_sig(self):
         large file without causing a memory issue."""
         # Reduce data scale for this test, as it's especially slow...
         self.datacount = 30*1024**2 // len(self.data)
-        self.allowed_memory = 200*1024
 
         # Try the temp file.  If we do TESTFN2, then it hogs
         # gigabytes of disk space for the duration of the test.