Convert "internal" levels to new level format

levels/internals/ref-remove

@@ -0,0 +1,41 @@
+[description]
+
+And finally, to delete a ref, use
+
+    git update-ref -d refs/<refname>
+
+Delete all refs! :P (Well, except for HEAD. HEAD is special.)
+
+[setup]
+
+echo hello > hello
+echo world > world
+BLOB1=$(git hash-object -w hello)
+BLOB2=$(git hash-object -w world)
+git add .
+TREE=$(git write-tree)
+COMMIT=$(git commit-tree $TREE -m "Initial commit")
+
+git update-ref refs/best_blob_ever "$BLOB1"
+git update-ref refs/beautiful_commit "$COMMIT"
+
+[setup goal]
+
+echo hello > hello
+echo world > world
+BLOB1=$(git hash-object -w hello)
+BLOB2=$(git hash-object -w world)
+git add .
+TREE=$(git write-tree)
+COMMIT=$(git commit-tree $TREE -m "Initial commit")
+
+git update-ref refs/best_blob_ever "$BLOB1"
+git update-ref refs/beautiful_commit "$COMMIT"
+
+for REF in $(git for-each-ref --format='%(refname)'); do
+    git update-ref -d "$REF"
+done
+
+[win]
+
+test "$(git show-ref | wc -l)" -eq 0

levels/internals/ref-remove/description

@@ -1,5 +0,0 @@
-And finally, to delete a ref, use
-
-    git update-ref -d refs/<refname>
-
-Delete all refs! :P (Well, except for HEAD. HEAD is special.)

levels/internals/ref-remove/goal

@@ -1,3 +0,0 @@
-for REF in $(git for-each-ref --format='%(refname)'); do
-    git update-ref -d "$REF"
-done

levels/internals/ref-remove/start

@@ -1,10 +0,0 @@
-echo hello > hello
-echo world > world
-BLOB1=$(git hash-object -w hello)
-BLOB2=$(git hash-object -w world)
-git add .
-TREE=$(git write-tree)
-COMMIT=$(git commit-tree $TREE -m "Initial commit")
-
-git update-ref refs/best_blob_ever "$BLOB1"
-git update-ref refs/beautiful_commit "$COMMIT"

levels/internals/ref-remove/win

@@ -1 +0,0 @@
-test "$(git show-ref | wc -l)" -eq 0