fix trace source validation

Author: dmehala

src/datadog/trace_source.cpp

@@ -11,11 +11,7 @@ bool validate_trace_source(StringView source_str) {
   auto maybe_ts_uint = parse_uint64(source_str, 10);
   if (maybe_ts_uint.if_error()) return false;
 
-  // Bit twiddling magic is coming from
-  // <http://www.graphics.stanford.edu/~seander/bithacks.html> <3.
-  auto is_power_of_2 = [](uint64_t v) -> bool { return v && !(v & (v - 1)); };
-
-  return is_power_of_2(*maybe_ts_uint);
+  return true;
 }
 
 }  // namespace tracing