feat: remove highlight.js line numbers plugin and clean up related code

js/blowdit.js

@@ -804,39 +804,6 @@
 			Array.prototype.forEach.call(codes, function (code) {
 				try { window.hljs.highlightElement(code); } catch (e) {}
 			});
-			// Line numbers (self-hosted plugin). Skips single-line blocks by default.
-			var ln = document.createElement('script');
-			ln.src = BASE + 'js/highlightjs-line-numbers.min.js';
-			ln.onload = function () {
-				if (!window.hljs || !window.hljs.lineNumbersBlock) return;
-				Array.prototype.forEach.call(codes, function (code) {
-					// Drop a trailing newline so the plugin doesn't add a blank last line.
-					code.innerHTML = code.innerHTML.replace(/\n+$/, '');
-					try { window.hljs.lineNumbersBlock(code, { singleLine: false }); } catch (e) {}
-				});
-				// The plugin builds the table on a 0ms timer; clean up afterwards:
-				// remove any trailing empty row and trailing whitespace nodes that
-				// would leave a blank "phantom" line at the bottom of the block.
-				setTimeout(function () {
-					Array.prototype.forEach.call(codes, function (code) {
-						var rows = code.querySelectorAll('.hljs-ln tr');
-						if (rows.length) {
-							var last = rows[rows.length - 1];
-							var cell = last.querySelector('.hljs-ln-code');
-							if (cell && cell.textContent.replace(/\s+/g, '') === '') {
-								last.parentNode.removeChild(last);
-							}
-						}
-						var n = code.lastChild;
-						while (n && n.nodeType === 3 && !n.textContent.trim()) {
-							var prev = n.previousSibling;
-							code.removeChild(n);
-							n = prev;
-						}
-					});
-				}, 60);
-			};
-			document.head.appendChild(ln);
 		};
 		document.head.appendChild(s);
 	})();