[include-cleaner] Remove unused using decls (NFC)

kazutakahirata · kazutakahirata · commit 88dd9813696e · 2023-10-15T00:20:56.000-07:00
Identified with misc-unused-using-decls.
diff --git a/clang-tools-extra/include-cleaner/unittests/LocateSymbolTest.cpp b/clang-tools-extra/include-cleaner/unittests/LocateSymbolTest.cpp
@@ -30,8 +30,6 @@ using testing::ElementsAre;
 using testing::ElementsAreArray;
 using testing::Eq;
 using testing::Field;
-using testing::Pair;
-using testing::UnorderedElementsAre;
 
 // A helper for building ASTs and getting decls out of it by name. Example usage
 // looks like:
