Remove configuration which became unused in 8abb4bb

Author: djc

Diff for: src/librustdoc/config.rs

@@ -257,9 +257,6 @@ crate struct RenderOptions {
     /// If present, playground URL to use in the "Run" button added to code samples generated from
     /// standalone Markdown files. If not present, `playground_url` is used.
     crate markdown_playground_url: Option<String>,
-    /// If false, the `select` element to have search filtering by crates on rendered docs
-    /// won't be generated.
-    crate generate_search_filter: bool,
     /// Document items that have lower than `pub` visibility.
     crate document_private: bool,
     /// Document items that have `doc(hidden)`.
@@ -638,7 +635,6 @@ impl Options {
         let crate_version = matches.opt_str("crate-version");
         let enable_index_page = matches.opt_present("enable-index-page") || index_page.is_some();
         let static_root_path = matches.opt_str("static-root-path");
-        let generate_search_filter = !matches.opt_present("disable-per-crate-search");
         let test_run_directory = matches.opt_str("test-run-directory").map(PathBuf::from);
         let persist_doctests = matches.opt_str("persist-doctests").map(PathBuf::from);
         let test_builder = matches.opt_str("test-builder").map(PathBuf::from);
@@ -724,7 +720,6 @@ impl Options {
                 markdown_no_toc,
                 markdown_css,
                 markdown_playground_url,
-                generate_search_filter,
                 document_private,
                 document_hidden,
                 generate_redirect_map,

Diff for: src/librustdoc/html/layout.rs

@@ -19,9 +19,6 @@ crate struct Layout {
     /// The given user css file which allow to customize the generated
     /// documentation theme.
     crate css_file_extension: Option<PathBuf>,
-    /// If false, the `select` element to have search filtering by crates on rendered docs
-    /// won't be generated.
-    crate generate_search_filter: bool,
     /// If true, then scrape-examples.js will be included in the output HTML file
     crate scrape_examples_extension: bool,
 }

Diff for: src/librustdoc/html/render/context.rs

@@ -387,7 +387,6 @@ impl<'tcx> FormatRenderer<'tcx> for Context<'tcx> {
             extension_css,
             resource_suffix,
             static_root_path,
-            generate_search_filter,
             unstable_features,
             generate_redirect_map,
             show_type_layout,
@@ -417,7 +416,6 @@ impl<'tcx> FormatRenderer<'tcx> for Context<'tcx> {
             default_settings,
             krate: krate.name(tcx).to_string(),
             css_file_extension: extension_css,
-            generate_search_filter,
             scrape_examples_extension: !call_locations.is_empty(),
         };
         let mut issue_tracker_base_url = None;