volt: retire tools/inspect_tree.py -- not an instrument, reds three gate rows

tools/inspect_tree.py

@@ -1,8 +0,0 @@
-import json
-
-src = "/root/troupe-standup/repo_tree.tsv"
-lines = open(src, encoding="utf-8").read().splitlines()
-print("total lines:", len(lines))
-for i, l in enumerate(lines, 1):
-    if i >= 134:
-        print(i, repr(l[:80]), "...", repr(l[-40:]))