Remove terminal overlay static contract CI check

scripts/check-terminal-overlay-layering.sh

@@ -1,36 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-
-cd "$(dirname "$0")/.."
-
-allowed_a="Sources/Find/SurfaceSearchOverlay.swift"
-allowed_b="Sources/GhosttyTerminalView.swift"
-pattern='SurfaceSearchOverlay[[:space:]]*\('
-
-if command -v rg >/dev/null 2>&1; then
-  matches="$(
-    rg -n --no-heading --glob '*.swift' "$pattern" Sources cmuxTests \
-      | grep -v "^${allowed_a}:" \
-      | grep -v "^${allowed_b}:" \
-      || true
-  )"
-else
-  matches="$(
-    grep -RIn --include='*.swift' -E "$pattern" Sources cmuxTests \
-      | grep -v "^${allowed_a}:" \
-      | grep -v "^${allowed_b}:" \
-      || true
-  )"
-fi
-
-if [[ -n "$matches" ]]; then
-  echo "Terminal overlay layering contract violation:"
-  echo "SurfaceSearchOverlay may only be instantiated in:"
-  echo "  - ${allowed_a}"
-  echo "  - ${allowed_b}"
-  echo
-  echo "$matches"
-  exit 1
-fi
-
-echo "OK: terminal overlay layering contract satisfied."