Remove built-in Nix support (#10439)

Release Notes:

- Removed built-in Nix support, now that there is a Nix extension.

Co-authored-by: Marshall <marshall@zed.dev>

crates/languages/Cargo.toml

@@ -50,7 +50,6 @@ tree-sitter-heex.workspace = true
 tree-sitter-jsdoc.workspace = true
 tree-sitter-json.workspace = true
 tree-sitter-markdown.workspace = true
-tree-sitter-nix.workspace = true
 tree-sitter-nu.workspace = true
 tree-sitter-ocaml.workspace = true
 tree-sitter-proto.workspace = true

crates/languages/src/lib.rs

@@ -69,7 +69,6 @@ pub fn init(
         ("jsdoc", tree_sitter_jsdoc::language()),
         ("json", tree_sitter_json::language()),
         ("markdown", tree_sitter_markdown::language()),
-        ("nix", tree_sitter_nix::language()),
         ("nu", tree_sitter_nu::language()),
         ("ocaml", tree_sitter_ocaml::language_ocaml()),
         (
@@ -282,7 +281,6 @@ pub fn init(
         "yaml",
         vec![Arc::new(yaml::YamlLspAdapter::new(node_runtime.clone()))]
     );
-    language!("nix");
     language!("nu", vec![Arc::new(nu::NuLanguageServer {})]);
     language!("ocaml", vec![Arc::new(ocaml::OCamlLspAdapter)]);
     language!("ocaml-interface", vec![Arc::new(ocaml::OCamlLspAdapter)]);

crates/languages/src/nix/config.toml

@@ -1,12 +0,0 @@
-name = "Nix"
-grammar = "nix"
-path_suffixes = ["nix"]
-line_comments = ["# "]
-block_comment = ["/* ", " */"]
-autoclose_before = ";:.,=}])>` \n\t\""
-brackets = [
-    { start = "{", end = "}", close = true, newline = true },
-    { start = "[", end = "]", close = true, newline = true },
-    { start = "(", end = ")", close = true, newline = true },
-    { start = "<", end = ">", close = true, newline = true },
-]

crates/languages/src/nix/highlights.scm

@@ -1,95 +0,0 @@
-(comment) @comment
-
-[
-  "if"
-  "then"
-  "else"
-  "let"
-  "inherit"
-  "in"
-  "rec"
-  "with"
-  "assert"
-  "or"
-] @keyword
-
-[
- (string_expression)
- (indented_string_expression)
-] @string
-
-[
-  (path_expression)
-  (hpath_expression)
-  (spath_expression)
-] @string.special.path
-
-(uri_expression) @link_uri
-
-[
-  (integer_expression)
-  (float_expression)
-] @number
-
-(interpolation
-  "${" @punctuation.special
-  "}" @punctuation.special) @embedded
-
-(escape_sequence) @escape
-(dollar_escape) @escape
-
-(function_expression
-  universal: (identifier) @parameter
-)
-
-(formal
-  name: (identifier) @parameter
-  "?"? @punctuation.delimiter)
-
-(select_expression
-  attrpath: (attrpath (identifier)) @property)
-
-(apply_expression
-  function: [
-    (variable_expression (identifier)) @function
-    (select_expression
-      attrpath: (attrpath
-        attr: (identifier) @function .))])
-
-(unary_expression
-  operator: _ @operator)
-
-(binary_expression
-  operator: _ @operator)
-
-(variable_expression (identifier) @variable)
-
-(binding
-  attrpath: (attrpath (identifier)) @property)
-
-"=" @operator
-
-[
-  ";"
-  "."
-  ","
-] @punctuation.delimiter
-
-[
-  "("
-  ")"
-  "["
-  "]"
-  "{"
-  "}"
-] @punctuation.bracket
-
-(identifier) @variable
-
-((identifier) @function.builtin
-  (#match? @function.builtin "^(__add|__addErrorContext|__all|__any|__appendContext|__attrNames|__attrValues|__bitAnd|__bitOr|__bitXor|__catAttrs|__compareVersions|__concatLists|__concatMap|__concatStringsSep|__deepSeq|__div|__elem|__elemAt|__fetchurl|__filter|__filterSource|__findFile|__foldl'|__fromJSON|__functionArgs|__genList|__genericClosure|__getAttr|__getContext|__getEnv|__hasAttr|__hasContext|__hashFile|__hashString|__head|__intersectAttrs|__isAttrs|__isBool|__isFloat|__isFunction|__isInt|__isList|__isPath|__isString|__langVersion|__length|__lessThan|__listToAttrs|__mapAttrs|__match|__mul|__parseDrvName|__partition|__path|__pathExists|__readDir|__readFile|__replaceStrings|__seq|__sort|__split|__splitVersion|__storePath|__stringLength|__sub|__substring|__tail|__toFile|__toJSON|__toPath|__toXML|__trace|__tryEval|__typeOf|__unsafeDiscardOutputDependency|__unsafeDiscardStringContext|__unsafeGetAttrPos|__valueSize|abort|baseNameOf|derivation|derivationStrict|dirOf|fetchGit|fetchMercurial|fetchTarball|fromTOML|import|isNull|map|placeholder|removeAttrs|scopedImport|throw|toString)$")
-  (#is-not? local))
-
-((identifier) @variable.builtin
- (#match? @variable.builtin "^(__currentSystem|__currentTime|__nixPath|__nixVersion|__storeDir|builtins|false|null|true)$")
- (#is-not? local))