Cleanup readme a bit

Author: whyoleg

README.md

@@ -10,8 +10,7 @@ CryptographyProvider.Default
 ```
 
 Detailed documentation can be found on
-[project website](https://whyoleg.github.io/cryptography-kotlin/) as well as in
-[API reference](https://whyoleg.github.io/cryptography-kotlin/api/)
+[project website](https://whyoleg.github.io/cryptography-kotlin/)
 
 ## Overview
 
@@ -76,26 +75,6 @@ dependencies {
 </p>
 </details>
 
-## Bugs and Feedback
-
-For bugs, questions and discussions, please use the [GitHub Issues](https://github.com/whyoleg/cryptography-kotlin/issues)
-
-## License
-
-    Copyright 2023 Oleg Yukhnevich.
-
-    Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
-
 [Secure random]: https://whyoleg.github.io/cryptography-kotlin/modules/cryptography-random
 
 [kotlin.Random]: https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.random/-random/