Move scheme extension to zed-extensions/scheme (#24078)

New home: https://github.com/zed-extensions/scheme

- See also: https://github.com/zed-industries/extensions/pull/1981

extensions/scheme/LICENSE-APACHE

@@ -1 +0,0 @@
-../../LICENSE-APACHE

extensions/scheme/extension.toml

@@ -1,11 +0,0 @@
-id = "scheme"
-name = "Scheme"
-description = "Scheme support."
-version = "0.0.2"
-schema_version = 1
-authors = ["Mikayla Maki <mikayla@zed.dev>"]
-repository = "https://github.com/zed-industries/zed"
-
-[grammars.scheme]
-repository = "https://github.com/6cdh/tree-sitter-scheme"
-commit = "af0fd1fa452cb2562dc7b5c8a8c55551c39273b9"

extensions/scheme/languages/scheme/brackets.scm

@@ -1,3 +0,0 @@
-("(" @open ")" @close)
-("[" @open "]" @close)
-("{" @open "}" @close)

extensions/scheme/languages/scheme/config.toml

@@ -1,10 +0,0 @@
-name = "Scheme"
-grammar = "scheme"
-path_suffixes = ["scm", "ss"]
-line_comments = ["; "]
-autoclose_before = "])"
-brackets = [
-    { start = "[", end = "]", close = true, newline = false },
-    { start = "(", end = ")", close = true, newline = false },
-    { start = "\"", end = "\"", close = true, newline = false, not_in = ["comment", "string"] },
-]

extensions/scheme/languages/scheme/highlights.scm

@@ -1,28 +0,0 @@
-["(" ")" "[" "]" "{" "}"] @punctuation.bracket
-
-(number) @number
-(character) @constant.builtin
-(boolean) @constant.builtin
-
-(symbol) @variable
-(string) @string
-
-(escape_sequence) @string.escape
-
-[(comment)
- (block_comment)
- (directive)] @comment
-
-((symbol) @operator
- (#match? @operator "^(\\+|-|\\*|/|=|>|<|>=|<=)$"))
-
-(list
-  .
-  (symbol) @function)
-
-(list
-  .
-  (symbol) @keyword
-  (#match? @keyword
-   "^(define-syntax|let\\*|lambda|λ|case|=>|quote-splicing|unquote-splicing|set!|let|letrec|letrec-syntax|let-values|let\\*-values|do|else|define|cond|syntax-rules|unquote|begin|quote|let-syntax|and|if|quasiquote|letrec|delay|or|when|unless|identifier-syntax|assert|library|export|import|rename|only|except|prefix)$"
-   ))

extensions/scheme/languages/scheme/indents.scm

@@ -1,3 +0,0 @@
-(_ "[" "]") @indent
-(_ "{" "}") @indent
-(_ "(" ")") @indent

extensions/scheme/languages/scheme/outline.scm

@@ -1,10 +0,0 @@
-(list
-    .
-    (symbol) @start-symbol @context
-    .
-    [
-        (symbol) @name
-        (list . (symbol) @name)
-    ]
-    (#match? @start-symbol "^define")
-) @item

extensions/scheme/languages/scheme/overrides.scm

@@ -1,6 +0,0 @@
-[
-    (comment)
-    (block_comment)
-    (directive)
-] @comment.inclusive
-(string) @string