Remove 2 suffix for ui, storybook, text

Co-authored-by: Mikayla <mikayla@zed.dev>

crates/ui/src/styles/typography.rs

@@ -0,0 +1,35 @@
+use gpui::{rems, Rems};
+
+#[derive(Debug, Default, Clone)]
+pub enum UiTextSize {
+    /// The default size for UI text.
+    ///
+    /// `0.825rem` or `14px` at the default scale of `1rem` = `16px`.
+    ///
+    /// Note: The absolute size of this text will change based on a user's `ui_scale` setting.
+    #[default]
+    Default,
+    /// The small size for UI text.
+    ///
+    /// `0.75rem` or `12px` at the default scale of `1rem` = `16px`.
+    ///
+    /// Note: The absolute size of this text will change based on a user's `ui_scale` setting.
+    Small,
+
+    /// The extra small size for UI text.
+    ///
+    /// `0.625rem` or `10px` at the default scale of `1rem` = `16px`.
+    ///
+    /// Note: The absolute size of this text will change based on a user's `ui_scale` setting.
+    XSmall,
+}
+
+impl UiTextSize {
+    pub fn rems(self) -> Rems {
+        match self {
+            Self::Default => rems(14. / 16.),
+            Self::Small => rems(12. / 16.),
+            Self::XSmall => rems(10. / 16.),
+        }
+    }
+}