exporters/datadog: remove trace support for windows for now

exporter/datadogexporter/README.md

@@ -22,3 +22,7 @@ datadog:
 The hostname, environment, service and version can be set in the configuration for unified service tagging.
 
 See the sample configuration file under the `example` folder for other available options.
+
+## Trace Export Configuration
+
+_Note: Trace Export is not supported on windows at the moment_

exporter/datadogexporter/model.go

@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+// +build !windows
+
 package datadogexporter
 
 import (

exporter/datadogexporter/translate_traces.go

@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+// +build !windows
+
 package datadogexporter
 
 import (

exporter/datadogexporter/translate_traces_test.go

@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+// +build !windows
+
 package datadogexporter
 
 import (