Fixed integration test

Author: cmaglie

Diff for: internal/integrationtest/board/hardware_loading_test.go

@@ -154,12 +154,7 @@ func TestHardwareLoading(t *testing.T) {
 			out, _, err := cli.Run("core", "list", "--format", "json")
 			require.NoError(t, err)
 			jsonOut := requirejson.Parse(t, out)
-			if runtime.GOOS == "windows" {
-				// a package is a symlink, and windows does not support them
-				jsonOut.LengthMustEqualTo(2)
-			} else {
-				jsonOut.LengthMustEqualTo(3)
-			}
+			jsonOut.LengthMustEqualTo(3)
 			jsonOut.MustContain(`[
 				{
 					"id": "arduino:avr",