Remove non-wrapping settings from the language configuration (#18412)

Closes https://github.com/zed-industries/zed/issues/17736

Those are limited with 1024 symbols before wrapping still, and were
introduced for git diff deleted hunks display.
Instead of confusing people with actually wrapping, restores behavior
that was before https://github.com/zed-industries/zed/pull/11080

Release Notes:

- Removed confusing soft wrap option behavior
([#17736]https://github.com/zed-industries/zed/issues/17736)

crates/language/src/language_settings.rs

@@ -379,15 +379,16 @@ pub struct FeaturesContent {
 #[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
 #[serde(rename_all = "snake_case")]
 pub enum SoftWrap {
-    /// Do not soft wrap.
+    /// Prefer a single line generally, unless an overly long line is encountered.
     None,
+    /// Deprecated: use None instead. Left to avoid breakin existing users' configs.
     /// Prefer a single line generally, unless an overly long line is encountered.
     PreferLine,
-    /// Soft wrap lines that exceed the editor width
+    /// Soft wrap lines that exceed the editor width.
     EditorWidth,
-    /// Soft wrap lines at the preferred line length
+    /// Soft wrap lines at the preferred line length.
     PreferredLineLength,
-    /// Soft wrap line at the preferred line length or the editor width (whichever is smaller)
+    /// Soft wrap line at the preferred line length or the editor width (whichever is smaller).
     Bounded,
 }