Revert "Sort symbols by project order"

This reverts commit b30046b.

Cargo.toml

@@ -33,7 +33,6 @@ lsp-types = { version = "0.61.0", features = ["proposed"] }
 nom = "5.0.1"
 once_cell = "1.2.0"
 path-clean = "0.1.0"
-petgraph = "0.4.13"
 regex = "1.3.1"
 serde = { version = "1.0.101", features = ["derive", "rc"] }
 serde_json = "1.0.40"

src/server.rs

@@ -318,7 +318,6 @@ impl<C: LspClient + Send + Sync + 'static> LatexLspServer<C> {
         let symbols = self.symbol_provider.execute(&request).await;
         let response = SymbolResponse::new(
             &self.client_capabilities.get().unwrap(),
-            &request.view.workspace,
             &request.document().uri,
             symbols.into_iter().map(Into::into).collect(),
         );

src/symbol/mod.rs

@@ -1,7 +1,6 @@
 mod bibtex_entry;
 mod bibtex_string;
 mod latex_section;
-mod project_order;
 
 use self::bibtex_entry::BibtexEntrySymbolProvider;
 use self::bibtex_string::BibtexStringSymbolProvider;
@@ -13,7 +12,6 @@ use lsp_types::*;
 use serde::{Deserialize, Serialize};
 use std::cmp::Reverse;
 use std::sync::Arc;
-use self::project_order::ProjectOrder;
 
 pub use self::latex_section::{build_section_tree, LatexSectionNode, LatexSectionTree};
 
@@ -157,7 +155,6 @@ pub enum SymbolResponse {
 impl SymbolResponse {
     pub fn new(
         client_capabilities: &ClientCapabilities,
-        workspace: &Workspace,
         uri: &Uri,
         symbols: Vec<LatexSymbol>,
     ) -> Self {
@@ -172,7 +169,7 @@ impl SymbolResponse {
                 .into_iter()
                 .map(|symbol| symbol.into_symbol_info(uri.clone()))
                 .collect();
-            sort_symbols(workspace, &mut buffer);
+            sort_symbols(&mut buffer);
             Self::Flat(buffer)
         }
     }
@@ -233,23 +230,19 @@ pub async fn workspace_symbols(
             filtered.push(symbol.info);
         }
     }
-    sort_symbols(&workspace, &mut filtered);
+    sort_symbols(&mut filtered);
     filtered
 }
 
-fn sort_symbols(workspace: &Workspace, symbols: &mut Vec<SymbolInformation>) {
-    let order = ProjectOrder::new(workspace);
+fn sort_symbols(symbols: &mut Vec<SymbolInformation>) {
     symbols.sort_by(|left, right| {
-        let left_idx = order.rank(workspace, &Uri::from(left.location.uri.clone()));
         let left_key = (
-            left_idx,
+            left.location.uri.to_string(),
             left.location.range.start,
             Reverse(left.location.range.end),
         );
-
-        let right_idx = order.rank(workspace, &Uri::from(right.location.uri.clone()));
         let right_key = (
-            right_idx,
+            right.location.uri.to_string(),
             right.location.range.start,
             Reverse(right.location.range.end),
         );