Fixed fallback to v0.4 if v1.0 is not available.

Author: AlexeyKuznetsov-DD

dd-trace-api/src/main/java/datadog/trace/api/ProtocolVersion.java

@@ -9,7 +9,7 @@
 public enum ProtocolVersion {
   V0_4("0.4", asList("v0.4/traces", "v0.3/traces")),
   V0_5("0.5", asList("v0.5/traces", "v0.4/traces", "v0.3/traces")),
-  V1_0("1.0", asList("v1.0/traces", "v0.5/traces", "v0.4/traces", "v0.3/traces"));
+  V1_0("1.0", asList("v1.0/traces", "v0.4/traces", "v0.3/traces"));
 
   private final String configValue;
   private final List<String> traceEndpoints;