rm ignore_vercel (#6302)

docs/docs_skeleton/ignore_build.sh

@@ -1,14 +0,0 @@
-#!/bin/bash
-
-echo "VERCEL_GIT_COMMIT_REF: $VERCEL_GIT_COMMIT_REF"
-
-if [[ "$VERCEL_GIT_COMMIT_REF" == "dev2049/docs_docusaurus" ]] ; then
-  # Proceed with the build
-	echo "✅ - Build can proceed"
-  exit 1;
-
-else
-  # Don't build
-  echo "🛑 - Build cancelled"
-  exit 0;
-fi