temporal_filter_test.cc: Remove unused using decls

Suggested by James Zern (and clang-tidy).

Change-Id: Id5fbfb05c30775463b8fd5556a56318e10082767
diff --git a/test/temporal_filter_test.cc b/test/temporal_filter_test.cc
index 2ef0fec..15fdc7d 100644
--- a/test/temporal_filter_test.cc
+++ b/test/temporal_filter_test.cc
@@ -31,9 +31,7 @@
 #include "test/function_equivalence_test.h"
 
 using libaom_test::ACMRandom;
-using libaom_test::FunctionEquivalenceTest;
 using ::testing::Combine;
-using ::testing::Range;
 using ::testing::Values;
 using ::testing::ValuesIn;