Remove dead code added in ac49500cd0484e1b2dcf37fa4c0dade6f113c2c9, NFC

This was a copy/paste bug; `M0` is never referenced later.

diff --git a/clang/unittests/Basic/FileEntryTest.cpp b/clang/unittests/Basic/FileEntryTest.cpp
index b759d3e..f2619a2 100644 (file)
--- a/clang/unittests/Basic/FileEntryTest.cpp
+++ b/clang/unittests/Basic/FileEntryTest.cpp
@@ -92,7 +92,6 @@ TEST(FileEntryTest, equals) {
   EXPECT_NE(&R2.getFileEntry(), R1);
   EXPECT_NE(R1, R2);
 
-  OptionalFileEntryRefDegradesToFileEntryPtr M0;
   OptionalFileEntryRefDegradesToFileEntryPtr M1 = R1;
 
   EXPECT_EQ(M1, &R1.getFileEntry());