decommission(F4): retirar polymarket-bot — Application y manifests

Fase final de la decomisión: namespace y Application borrados del cluster,
manifests fuera de git. Dump definitivo verificado y offsite en
/data/backups/backups/polymarket-decommission/ (espejo en mega:k3s-backups/).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

polymarket-bot/configmap-bot-config.yaml

@@ -1,14 +0,0 @@
-apiVersion: v1
-kind: ConfigMap
-metadata:
-  name: bot-config
-  namespace: polymarket-bot
-# Non-secret config split out of the old bot-secrets Secret. PAPER_* are plain
-# operating params; WALLET_PRIVATE_KEY and COINGECKO_API_KEY are kept here as
-# empty placeholders (preserving the "present-but-empty" env semantics the bot
-# was started with — avoids a KeyError if the code reads them unconditionally).
-data:
-  PAPER_BANKROLL: "10000"
-  PAPER_MODE: "true"
-  WALLET_PRIVATE_KEY: ""
-  COINGECKO_API_KEY: ""