Remove test/output/test_popen2 (missed in r54417).
diff --git a/Lib/test/output/test_popen2 b/Lib/test/output/test_popen2
deleted file mode 100644
index a66cde9..0000000
--- a/Lib/test/output/test_popen2
+++ /dev/null
@@ -1,9 +0,0 @@
-test_popen2
-Test popen2 module:
-testing popen2...
-testing popen3...
-All OK
-Testing os module:
-testing popen2...
-testing popen3...
-All OK