clean up

crates/ui/Cargo.toml

@@ -9,6 +9,7 @@ common = { path = "../common" }
 theme = { path = "../theme" }
 
 gpui.workspace = true
+gpui-base.workspace = true
 instant.workspace = true
 serde.workspace = true
 smallvec.workspace = true
@@ -21,7 +22,7 @@ uuid = "1.10"
 regex = "1"
 lsp-types = "0.97.0"
 ropey = { version = "=2.0.0-beta.1", features = ["metric_lines_lf", "metric_utf16"] }
-sum_tree = { git = "https://github.com/zed-industries/zed" }
+sum_tree.workspace = true
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 smol.workspace = true