fix(async-storage): regressions

Author: krizzu

packages/async-storage/src/createAsyncStorage.native.ts

@@ -90,7 +90,7 @@ class AsyncStorageImpl implements AsyncStorage {
 
   clear = async (): Promise<void> => {
     try {
-      return await this.db.clearStorage(this.dbName);
+      await this.db.clearStorage(this.dbName);
     } catch (e) {
       throw AsyncStorageError.nativeError(e);
     }
@@ -186,7 +186,7 @@ class LegacyAsyncStorageImpl implements AsyncStorage {
 
   clear = async (): Promise<void> => {
     try {
-      return await this.db.legacy_clear();
+      await this.db.legacy_clear();
     } catch (e) {
       throw AsyncStorageError.nativeError(e);
     }

packages/async-storage/src/createAsyncStorage.ts

@@ -76,7 +76,7 @@ class AsyncStorageWebImpl implements AsyncStorage {
 
   clear = async (): Promise<void> => {
     try {
-      return await this.db.clearStorage();
+      await this.db.clearStorage();
     } catch (e) {
       throw this.createError(e);
     }