automatically clean up defaults from the config file

tabby-serial/src/api.ts

@@ -19,7 +19,6 @@ export interface SerialProfileOptions extends StreamProcessingOptions, LoginScri
     xon?: boolean
     xoff?: boolean
     xany?: boolean
-    color?: string
 }
 
 export const BAUD_RATES = [

tabby-serial/src/profiles.ts

@@ -13,6 +13,24 @@ export class SerialProfilesService extends ProfileProvider {
     id = 'serial'
     name = 'Serial'
     settingsComponent = SerialProfileSettingsComponent
+    configDefaults = {
+        options: {
+            port: null,
+            baudrate: null,
+            databits: 8,
+            stopbits: 1,
+            parity: 'none',
+            rtscts: false,
+            xon: false,
+            xoff: false,
+            xany: false,
+            inputMode: 'local-echo',
+            outputMode: null,
+            inputNewlines: null,
+            outputNewlines: 'crlf',
+            scripts: [],
+        },
+    }
 
     constructor (
         private selector: SelectorService,