Remove manual truncation of tensor shape UI (#8531)

### Related

* fixes #8525

### What

Truncation now happens at egui test level, so we no longer need that
manual truncation code. (This code is soon going to disappear anyways
but at least it'll disappear in a good state 🤷🏻)


![image](https://github.com/user-attachments/assets/ee8c0d00-1ff3-4e2c-8154-41c2e1c58bae)

crates/viewer/re_data_ui/src/tensor.rs

@@ -9,13 +9,13 @@ use re_viewer_context::{TensorStats, TensorStatsCache, UiLayout, ViewerContext};
 use super::EntityDataUi;
 
 fn format_tensor_shape_single_line(tensor: &TensorData) -> String {
-    const MAX_SHOWN: usize = 4; // should be enough for width/height/depth and then some!
-    let short_shape = &tensor.shape[0..tensor.shape.len().min(MAX_SHOWN)];
-    let has_names = short_shape
+    let has_names = tensor
+        .shape
         .iter()
         .enumerate()
         .any(|(dim_idx, _)| tensor.dim_name(dim_idx).is_some());
-    let shapes = short_shape
+    tensor
+        .shape
         .iter()
         .enumerate()
         .map(|(dim_idx, dim_len)| {
@@ -29,19 +29,7 @@ fn format_tensor_shape_single_line(tensor: &TensorData) -> String {
                 }
             )
         })
-        .join(if has_names { " × " } else { "×" });
-    format!(
-        "{shapes}{}",
-        if MAX_SHOWN < tensor.shape.len() {
-            if has_names {
-                " × …"
-            } else {
-                "×…"
-            }
-        } else {
-            ""
-        }
-    )
+        .join(if has_names { " × " } else { "×" })
 }
 
 impl EntityDataUi for re_types::components::TensorData {