remove can't save option

Signed-off-by: 21pages <sunboeasy@gmail.com>

src/config.rs

@@ -1024,6 +1024,10 @@ impl Config {
 
     pub fn set_option(k: String, v: String) {
         if !is_option_can_save(&OVERWRITE_SETTINGS, &k, &DEFAULT_SETTINGS, &v) {
+            let mut config = CONFIG2.write().unwrap();
+            if config.options.remove(&k).is_some() {
+                config.store();
+            }
             return;
         }
         let mut config = CONFIG2.write().unwrap();
@@ -1800,6 +1804,10 @@ impl LocalConfig {
 
     pub fn set_option(k: String, v: String) {
         if !is_option_can_save(&OVERWRITE_LOCAL_SETTINGS, &k, &DEFAULT_LOCAL_SETTINGS, &v) {
+            let mut config = LOCAL_CONFIG.write().unwrap();
+            if config.options.remove(&k).is_some() {
+                config.store();
+            }
             return;
         }
         let mut config = LOCAL_CONFIG.write().unwrap();
@@ -1960,6 +1968,9 @@ impl UserDefaultConfig {
             &DEFAULT_DISPLAY_SETTINGS,
             &value,
         ) {
+            if self.options.remove(&key).is_some() {
+                self.store();
+            }
             return;
         }
         if value.is_empty() {