[dexter] Remove accidentally committed .rej file

The file was added in 98e7911f9517.

GitOrigin-RevId: 2348b5c943198ffedb3494b8443ae172ba96c00e
diff --git a/dexter/feature_tests/subtools/test/label_another_line.cpp.rej b/dexter/feature_tests/subtools/test/label_another_line.cpp.rej
deleted file mode 100644
index 906fc72..0000000
--- a/dexter/feature_tests/subtools/test/label_another_line.cpp.rej
+++ /dev/null
@@ -1,7 +0,0 @@
-diff a/debuginfo-tests/dexter/feature_tests/subtools/test/label_another_line.cpp b/debuginfo-tests/dexter/feature_tests/subtools/test/label_another_line.cpp	(rejected hunks)
-@@ -11,4 +11,4 @@
- }
- 
- // DexLabel('test', on_line=10)
--// DexExpectWatchValue('result', '0', on_line=ref('test'))
-+// DexExpectWatchValue('result', '0', on_line=ref('test'))