Update README.md

Author: ashki23

README.md

@@ -12,6 +12,3 @@ introduction of programming in Python. The following is list of content of the r
 - [Regular expression](/regular-expression.md)
 - [Complex numbers](/complex-numbers.md)
 - [Using SQLite in Python](/sqlite.md)
-
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-Copyright 2018-2019, [Ashkan Mirzaee](https://ashki23.github.io/index.html) | Content is available under [CC BY-SA 3.0](https://creativecommons.org/licenses/by-sa/3.0/) | Sourcecode licensed under [GPL-3.0](https://www.gnu.org/licenses/gpl-3.0.en.html)