pipeline: stop naming pipelines

This key carries no information and is never used anywhere. The json
files are not meant to be human readable, so simply drop this.

Signed-off-by: Tom Gundersen <teg@jklm.no>

samples/base-from-yum.json

@@ -1,7 +1,5 @@
 {
-  "name": "base",
   "build": {
-    "name": "build",
     "stages": [
       {
         "name": "org.osbuild.yum",

samples/base-qcow2.json

@@ -1,5 +1,4 @@
 {
-  "name": "base-qcow2",
   "stages": [
     {
       "name": "org.osbuild.dnf",

samples/base.json

@@ -1,5 +1,4 @@
 {
-  "name": "base",
   "stages": [
     {
       "name": "org.osbuild.dnf",

samples/build-from-yum.json

@@ -1,5 +1,4 @@
 {
-  "name": "build-from-yum",
   "stages": [
     {
       "name": "org.osbuild.yum",

samples/noop.json

@@ -1,5 +1,4 @@
 {
-  "name": "noop",
   "stages": [
     {
       "name": "org.osbuild.noop"

test/pipelines/f30-boot.json

@@ -1,7 +1,5 @@
 {
-  "name": "f30-boot",
   "build": {
-    "name": "f30-build",
     "stages": [
       {
         "name": "org.osbuild.dnf",

test/pipelines/firewall.json

@@ -1,5 +1,4 @@
 {
-  "name": "Example Image",
   "stages": [
     {
       "name": "org.osbuild.dnf",

test/pipelines/locale.json

@@ -1,5 +1,4 @@
 {
-  "name": "Example Image",
   "stages": [
     {
       "name": "org.osbuild.dnf",

test/pipelines/timezone.json

@@ -1,5 +1,4 @@
 {
-  "name": "Example Image",
   "stages": [
     {
       "name": "org.osbuild.dnf",