Remove stale suppressions.

RELNOTES=n/a
PiperOrigin-RevId: 599543226

Author: cpovirk

core/src/main/java/com/google/common/truth/MathUtil.java

@@ -31,7 +31,7 @@ private MathUtil() {}
   /* package */ static boolean equalWithinTolerance(long left, long right, long tolerance) {
     try {
       // subtractExact is always desugared.
-      @SuppressWarnings({"AndroidJdkLibsChecker", "Java7ApiChecker"})
+      @SuppressWarnings("Java7ApiChecker")
       long absDiff = Math.abs(subtractExact(left, right));
       return 0 <= absDiff && absDiff <= Math.abs(tolerance);
     } catch (ArithmeticException e) {
@@ -47,7 +47,7 @@ private MathUtil() {}
   /* package */ static boolean equalWithinTolerance(int left, int right, int tolerance) {
     try {
       // subtractExact is always desugared.
-      @SuppressWarnings({"AndroidJdkLibsChecker", "Java7ApiChecker"})
+      @SuppressWarnings("Java7ApiChecker")
       int absDiff = Math.abs(subtractExact(left, right));
       return 0 <= absDiff && absDiff <= Math.abs(tolerance);
     } catch (ArithmeticException e) {