Remove unnecessary function buildForArch()

Signed-off-by: Jacob Kiers <jacob@jacobkiers.net>

.drone.jsonnet

@@ -6,36 +6,34 @@ local archs = [
   { target: 'x86_64-unknown-linux-musl', short: 'amd64-musl' },
 ];
 
-local getStepName(arch) = 'check ' + arch.short;
+local getStepName(arch) = 'build ' + arch.short;
 
-local buildForArch(arch) = {
-  name: getStepName(arch),
-  image: 'img.kie.rs/jjkiers/rust-dind-cross:1.62-slim',
-  volumes: [
-    {
-      name: 'dockersock',
-      path: '/var/run',
+local add_build_steps() = [
+  {
+    name: getStepName(arch),
+    image: 'img.kie.rs/jjkiers/rust-dind-cross:1.62-slim',
+    volumes: [
+      {
+        name: 'dockersock',
+        path: '/var/run',
+      },
+      {
+        name: 'rustup',
+        path: '/usr/local/rustup',
+      },
+    ],
+    commands: [
+      'echo Hello World from Jsonnet on ' + arch.target + '!',
+      'cross build --release --target ' + arch.target,
+      'rm -rf target/' + arch.target + '/release/{build,deps,examples,incremental}',
+      'cp target/' + arch.target + '/release/drone-test artifacts/drone-test-' + arch.short,
+    ],
+    environment: {
+      CROSS_REMOTE: true,
     },
-    {
-      name: 'rustup',
-      path: '/usr/local/rustup',
-    },
-  ],
-  commands: [
-    'echo Hello World from Jsonnet on ' + arch.target + '!',
-    'cross build --release --target ' + arch.target,
-    'rm -rf target/' + arch.target + '/release/{build,deps,examples,incremental}',
-    'cp target/' + arch.target + '/release/drone-test artifacts/drone-test-' + arch.short,
-  ],
-  environment: {
-    CROSS_REMOTE: true,
-  },
-  depends_on: ['wait-for-docker'],
-};
-
-local check_steps() = [
-  buildForArch(a)
-  for a in archs
+    depends_on: ['wait-for-docker'],
+  }
+  for arch in archs
 ];
 
 {
@@ -60,7 +58,7 @@ local check_steps() = [
         path: '/var/run',
       }],
     }] +
-    check_steps() +
+    add_build_steps() +
     [
       {
         name: 'build',