remove xz(lzma)

cpp/ql/src/experimental/query-tests/Security/CWE/CWE-409/DecompressionBomb.qll

@@ -5,7 +5,6 @@ import ZlibGzopen
 import ZlibInflator
 import ZlibUncompress
 import LibArchive
-import XZ
 import ZSTD
 import Bzip2
 import Brotli

cpp/ql/src/experimental/query-tests/Security/CWE/CWE-409/XZ.qll

@@ -1,25 +0,0 @@
-/**
- * https://github.com/tukaani-project/xz
- */
-
-import cpp
-import semmle.code.cpp.ir.dataflow.TaintTracking
-import DecompressionBomb
-
-/**
- * The `lzma_code` function is used in flow sink.
- */
-class LzmaCodeFunction extends DecompressionFunction {
-  LzmaCodeFunction() { this.hasGlobalName(["lzma_code"]) }
-
-  override int getArchiveParameterIndex() { result = 0 }
-}
-
-/**
- * The `lzma_stream_buffer_decode` function is used in flow sink.
- */
-class LzmaStreamBufferDecodeFunction extends DecompressionFunction {
-  LzmaStreamBufferDecodeFunction() { this.hasGlobalName(["lzma_stream_buffer_decode"]) }
-
-  override int getArchiveParameterIndex() { result = 1 }
-}