Make selection more consistent across languages (#17084)

- Remove "-" from word_character for CSS/JS/TSX/Markdown
- Makes our word-selection behavior consistent across language modes (and consistent with VSCode).

crates/languages/src/javascript/config.toml

@@ -25,5 +25,4 @@ block_comment = ["{/* ", " */}"]
 opt_into_language_servers = ["emmet-language-server"]
 
 [overrides.string]
-word_characters = ["-"]
 opt_into_language_servers = ["tailwindcss-language-server"]