Remove unused imports in host_id_bsd.go (open-telemetry#4041)

* remove unused imports in host_id_bsd.go

* Add changelog entry

---------

Co-authored-by: Chester Cheung <[email protected]>

Author: Achooo

CHANGELOG.md

@@ -8,6 +8,10 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ## [Unreleased]
 
+### Fixed
+
+- Remove unused imports from `sdk/resource/host_id_bsd.go` which caused build failures. (#4040, #4041)
+
 ## [1.15.0/0.38.0] 2023-04-27
 
 ### Added

sdk/resource/host_id_bsd.go

@@ -17,11 +17,6 @@
 
 package resource // import "go.opentelemetry.io/otel/sdk/resource"
 
-import (
-	"errors"
-	"strings"
-)
-
 var platformHostIDReader hostIDReader = &hostIDReaderBSD{
 	execCommand: execCommand,
 	readFile:    readFile,