Fix commits table regression (#25710)

Fixes #25693

The commits table appearance fix in #25634 was incomplete and caused a
regression. This PR fixes that issue and removes some unneeded CSS
classes because of the proper fix.

<details>
<summary>Before</summary>

![Bildschirmfoto vom 2023-07-05
19-37-04](https://github.com/go-gitea/gitea/assets/47871822/4f680878-9612-443b-a0a3-b331369c912b)
![Bildschirmfoto vom 2023-07-05
19-38-56](https://github.com/go-gitea/gitea/assets/47871822/8826f246-6bde-4c33-9d10-172d11619908)

</details>

<details>
<summary>After</summary>

![Bildschirmfoto vom 2023-07-05
19-37-44](https://github.com/go-gitea/gitea/assets/47871822/0fe2d2cb-f706-41e0-b341-d1827a64b21a)
![Bildschirmfoto vom 2023-07-05
19-38-08](https://github.com/go-gitea/gitea/assets/47871822/2f29271c-7da5-44d7-bd9a-38a4bfdde219)

</details>

---------

Co-authored-by: silverwind <me@silverwind.io>

web_src/css/repo.css

@@ -1313,10 +1313,9 @@
   padding: 5px 10px;
 }
 
-.repository #commits-table thead th:first-of-type {
-  padding-left: 15px;
+.repository #commits-table td:not(.message) {
+  white-space: nowrap;
 }
-
 .repository #commits-table thead .sha {
   width: 200px;
 }
@@ -2684,6 +2683,7 @@ tbody.commit-list {
 /* in the commit list, messages can wrap so we can use inline */
 .commit-list .message-wrapper {
   display: inline;
+  overflow-wrap: anywhere;
 }
 
 /* but in the repo-files-table we cannot */
@@ -3244,17 +3244,6 @@ tbody.commit-list {
   .commit-table th.sha {
     display: none !important;
   }
-  .commit-table .commit-list span.message-wrapper {
-    max-width: none;
-  }
-  .commit-table .commit-list tr td:first-child,
-  .commit-table .commit-list tr td:last-child {
-    white-space: nowrap;
-  }
-  .commit-table .commit-list td.author {
-    display: block;
-    width: calc(100% + 0.5rem);
-  }
   .commit-table .commit-list .copy-commit-sha {
     display: none !important;
   }