distro/fedora/iotInstaller: drop unused package set

The IoT installer does not use the iotCommit package set. Drop it.

internal/distro/distro_test_common/distro_test_common.go

@@ -192,6 +192,16 @@ func kernelCount(imgType distro.ImageType) int {
 
 		}
 	}
+	for _, iset := range sets["installer"] {
+		for _, pkg := range iset.Include {
+			for _, kernel := range knownKernels {
+				if kernel == pkg {
+					n++
+				}
+			}
+
+		}
+	}
 	return n
 }
 

internal/distro/fedora/distro.go

@@ -128,12 +128,8 @@ var (
 		mimeType:    "application/x-iso9660-image",
 		packageSets: map[string]packageSetFunc{
 			buildPkgsKey:     iotInstallerBuildPackageSet,
-			osPkgsKey:        iotCommitPackageSet,
 			installerPkgsKey: iotInstallerPackageSet,
 		},
-		packageSetChains: map[string][]string{
-			osPkgsKey: {osPkgsKey, blueprintPkgsKey},
-		},
 		defaultImageConfig: &distro.ImageConfig{
 			Locale:          "en_US.UTF-8",
 			EnabledServices: iotServices,