Hyphens support is poor, dump it

I find it suprising that it hyphenates and reflows while typing. And
we're not getting much of it in the rendered views either.

app/assets/stylesheets/rich-text-content.css

@@ -5,7 +5,6 @@
     :where(h1, h2, h3, h4, h5, h6) {
       display: block;
       font-weight: 800;
-      hyphens: auto;
       letter-spacing: -0.02ch;
       line-height: 1.1;
       margin-block: var(--block-margin);
@@ -34,7 +33,6 @@
     }
 
     :where(p, blockquote) {
-      hyphens: auto;
       letter-spacing: -0.005ch;
     }
 
@@ -79,7 +77,6 @@
       &[data-language] {
         border-radius: 0.5em;
         display: block;
-        hyphens: none;
         overflow-x: auto;
         padding: 0.5lh 2ch;
         tab-size: 2;