samples: remove unicode

Unfortunately too hard to maintain with ever-changing fonts. I might resurrect this in another form another day

samples/images/_unicode.rb

@@ -1,27 +0,0 @@
-require 'squib'
-
-# Here's a handy list of game-related UTF-8 characters
-# for those early pre-graphics prototypes
-game_chars = %W(\u2620 \u2622 \u2623 \u00AB \u00BB \u2039 \u203A \u2022 \u20D8 \u20D9 \u20DA \u2023 \u20E1 \u20D4 \u20D5 \u20D6 \u20D7 \u2190 \u2191 \u2192 \u2193 \u2194 \u2196 \u2197 \u2198 \u2199 \u219A \u219B \u219C \u219D \u219E \u219F \u21A0 \u21A1 \u21A2 \u21A3 \u21A4 \u21A5 \u21A6 \u21A7 \u21A8 \u21A9 \u21AA \u21AB \u21AC \u21AD \u21AE \u21AF \u21B0 \u21B1 \u21B2 \u21B3 \u21B4 \u21B5 \u21B6 \u21B7 \u21B8 \u21B9 \u21BA \u21BB \u21C4 \u21C5 \u21C6 \u21C7 \u21C8 \u21C9 \u21CA \u21CD \u21CE \u21CF \u21D0 \u21D1 \u21D2 \u21D3 \u21D4 \u21D5 \u21D6 \u21D7 \u21D8 \u21D9 \u21DA \u21DB \u21DC \u21DD \u21DC \u21E0 \u21E1 \u21E2 \u21E3 \u21E4 \u21E5 \u21E6 \u21E7 \u21E8 \u21E9 \u21EA \u20DE \u20DD \u20DF \u20E0 \u2205 \u220E \u2234 \u2295 \u2296 \u2297 \u2298 \u2349 \u2299 \u229A \u229E \u22B9 \u2302 \u2316 \u231A \u231B \u2326 \u232B \u2327 \u2331 \u2460 \u2461 \u2462 \u2463 \u2464 \u2465 \u2466 \u2467 \u2468 \u2469 \u246A \u246B \u246C \u246D \u246E \u246F \u2470 \u2471 \u2472 \u2473 \u2600 \u2601 \u2602 \u2603 \u2604 \u2605 \u2606 \u2607 \u260E \u2611 \u261A \u261B \u261C \u261D \u261E \u261F \u2624 \u262E \u262F \u2639 \u263A \u2654 \u2655 \u2656 \u2657 \u2658 \u2659 \u265A \u265B \u265C \u265D \u265E \u265F \u2660 \u2661 \u2662 \u2663 \u2664 \u2665 \u2666 \u2667 \u2668 \u2690 \u2691 \u2692 \u2693 \u2694 \u2696 \u2699 \u269B \u26A0 \u26A1 \u26BD \u26BE \u26C4 \u26C5 \u26D4 \u26EA \u26F2 \u26F3 \u26F5 \u26FA \u26FD \u2707 \u270A \u270B \u270C \u2713 \u2714 \u271C \u27F2 \u27F3 \u27F4 \u2B1B \u2B1C \u1F601 \u00BD \u00BE \u00BC \u2153 \u2154 \u2155 \u2156 \u2157 )
-
-cell_height = 80
-cell_width = 400
-cols = 7
-x, y = 1, 80
-Squib::Deck.new(height: (game_chars.size / cols + 1) * cell_height,
-                width: cell_width * cols) do
-  background color: :white
-  text str: 'Game-related UTF8 icons. Generated by Squib, https://github.com/andymeneely/squib'
-  game_chars.each_with_index do |c, i|
-    rect fill_color: %w(#eeee #ffff)[i % 2],
-         width: cell_width, height: cell_height, x: x, y: y
-    text str: c.inspect, font: 'Sans 14',                  x: x, y: y
-    text str: c,         font: 'Sans,Segoe UI Symbol 14',  x: x + 300, y: y
-    x += cell_width
-    if i % cols == cols - 1
-      x = 1
-      y += cell_height if i % cols == cols - 1
-    end
-  end
-  save_png prefix: 'unicode_'
-end