CI: Reorder manual tasks to be alphabetical

Change-Id: I2e5bfdf5794c99da530bc2645fb56a5444444be3
Signed-off-by: Jon Mason <jon.mason@arm.com>

.gitlab-ci.yml

@@ -153,14 +153,6 @@ tc0:
 # Utility tasks, not executed automatically
 #
 
-# Report on disk usage
-usage:
-  extends: .setup
-  stage: prep
-  when: manual
-  script:
-  - du -h -s $DL_DIR $SSTATE_DIR $KAS_REPO_REF_DIR
-
 delete-dl-dir:
   extends: .setup
   stage: prep
@@ -175,6 +167,14 @@ delete-repo-dir:
   script:
   - rm -rf $KAS_REPO_REF_DIR/*
 
+# Delete all sstate
+delete-sstate:
+  extends: .setup
+  stage: prep
+  when: manual
+  script:
+  - rm -rf $SSTATE_DIR/*
+
 # Wipe out old sstate
 prune-sstate:
   extends: .setup
@@ -185,10 +185,10 @@ prune-sstate:
   - find $SSTATE_DIR -type f -atime +30 -delete
   - du -h -s $SSTATE_DIR
 
-# Delete all sstate
-delete-sstate:
+# Report on disk usage
+usage:
   extends: .setup
   stage: prep
   when: manual
   script:
-  - rm -rf $SSTATE_DIR/*
+  - du -h -s $DL_DIR $SSTATE_DIR $KAS_REPO_REF_DIR