Delete line-numbers.css

docs.it4i/software/viz/line-numbers.css

-.line-numbers{
-  /* Set "line-numbers-counter" to 0 */
-  counter-reset: line-numbers-counter;
-}
-
-.line-numbers .remark-code-line::before {
-  /* Increment "line-numbers-counter" by 1 */
-    counter-increment: line-numbers-counter;
-    content: counter(line-numbers-counter);
-    text-align: right;
-    width: 55px;
-    border-right: 1px solid #aaa;
-    display: inline-block;
-    margin-right: 10px;
-    padding: 0 5px;
-}
\ No newline at end of file