service/logs: remove pkg/errors, and minor cleanups

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

service/logs/parse_logs.go

@@ -3,10 +3,9 @@
 package logs
 
 import (
+	"errors"
 	"net/url"
 	"strings"
-
-	"github.com/pkg/errors"
 )
 
 // ParseLogDetails parses a string of key value pairs in the form

service/logs/parse_logs_test.go

@@ -50,7 +50,7 @@ func TestParseLogDetails(t *testing.T) {
 		t.Run(tc.line, func(t *testing.T) {
 			actual, err := ParseLogDetails(tc.line)
 			if tc.expectedErr != "" {
-				assert.Check(t, is.ErrorContains(err, tc.expectedErr))
+				assert.Check(t, is.Error(err, tc.expectedErr))
 			} else {
 				assert.Check(t, err)
 			}