remove old renumber script

bin/renumber

@@ -1,52 +0,0 @@
-#!/usr/bin/env ruby
-
-fix = ARGV.shift if ARGV.first == "--fix"
-files = Array(ARGV.shift || Dir.glob("./**/*.md"))
-
-files.each do |file|
-  content = File.read(file)
-
-  # First, scan for all references ([#]: at beginning of line)
-  # and look for duplicates
-  refs = content.scan(/^\[\d+\]:/)
-  dups = refs.combination(2).filter_map { |i, j| i if i == j }
-
-  # If duplicate refs detected, this won't work, so bail out
-  if dups.any?
-    warn "Duplicate refs detected in #{file} (#{dups * ", "})"
-    exit 1
-  end
-
-  idx = 0
-  code_block = false
-  cache = {}
-
-  # Find all numbered links (in text + references) + code delimeters
-  # (for fenced code blocks, "`" suffices because "```" is an odd number)
-  updated = content.gsub(/\[\d+\]|`/) do |token|
-    case token
-    when "`"
-      # We don't want to do substitution inside code blocks
-      # (where `[#]` sometimes occurs) but we do want to toggle
-      # whether or not we're in a code block
-      code_block = !code_block
-      token
-    else
-      # If we're in a code block, just return the token
-      # Otherwise, check if the reference has already been assigned
-      # - If so, return the cached value
-      # - If not, bump the index, cache the value, and return it
-      code_block ? token : cache[token] ||= "[#{idx += 1}]"
-    end
-  end
-
-  if content != updated
-    warn "Links in #{file} are not in order"
-
-    if fix
-      File.write(file, updated)
-    else
-      exit 1
-    end
-  end
-end