temp revert #81

This patch introduce a breaking change in rrweb-record's API, so
we will revert it in 0.7.x and release it in 0.8.

src/record/index.ts

@@ -25,21 +25,6 @@ function wrapEvent(e: event): eventWithTime {
 
 let wrappedEmit!: (e: eventWithTime, isCheckout?: boolean) => void;
 
-export function addCustomEvent<T>(tag: string, payload: T) {
-  if (!wrappedEmit) {
-    throw new Error('please add custom event after start recording');
-  }
-  wrappedEmit(
-    wrapEvent({
-      type: EventType.Custom,
-      data: {
-        tag,
-        payload,
-      },
-    }),
-  );
-}
-
 function record(options: recordOptions = {}): listenerHandler | undefined {
   const {
     emit,