Remove 'curly_quotes' key from the json config

src/config/bookconfig.rs

@@ -160,12 +160,6 @@ impl BookConfig {
             }
         }
 
-        if let Some(curly_quotes) = jsonconfig.curly_quotes {
-            if let Some(htmlconfig) = self.get_mut_html_config() {
-                htmlconfig.set_curly_quotes(curly_quotes);
-            }
-        }
-        
         self
     }
 

src/config/jsonconfig.rs

@@ -13,7 +13,6 @@ pub struct JsonConfig {
     pub description: Option<String>,
 
     pub theme_path: Option<PathBuf>,
-    pub curly_quotes: Option<bool>,
     pub google_analytics: Option<String>,
 }
 
@@ -40,5 +39,3 @@ impl JsonConfig {
         return Ok(config);
     }
 }
-
-

tests/jsonconfig.rs

@@ -85,18 +85,3 @@ fn from_json_output_html_theme() {
 
     assert_eq!(htmlconfig.get_theme().expect("the theme key was provided"), &PathBuf::from("root/theme"));
 }
-
-// Tests that the `curly_quotes` key is correctly parsed in the JSON config
-#[test]
-fn from_json_output_html_curly_quotes() {
-    let json = r#"{
-        "curly_quotes": true
-    }"#;
-
-    let parsed = JsonConfig::from_json(&json).expect("This should parse");
-    let config = BookConfig::from_jsonconfig("root", parsed);
-
-    let htmlconfig = config.get_html_config().expect("There should be an HtmlConfig");
-
-    assert_eq!(htmlconfig.get_curly_quotes(), true);
-}