math_test.cpp: remove now-unnecessary isinff()/isinfl() declarations.
Like the isnanf()/isnanl() declarations, these are now in <math.h> to match glibc; I just forgot there were four declarations to clean up in the previous patch, not two. Counting is hard.
Change-Id: Ide0793f58b520915688d6b0ee59bceb210b78149
diff --git a/tests/math_test.cpp b/tests/math_test.cpp
index 4affc22..7ca0e75 100644
--- a/tests/math_test.cpp
+++ b/tests/math_test.cpp
@@ -309,9 +309,7 @@
// Historical BSD cruft that isn't exposed in <math.h> any more.
extern "C" int __isinf(double);
extern "C" int __isinff(float);
-extern "C" int isinff(float);
extern "C" int __isinfl(long double);
-extern "C" int isinfl(long double);
TEST(math_h, __isinf) {
#if defined(ANDROID_HOST_MUSL)