Delete README.txt

common/README.txt

-Student Repositiory for Embedded Systems and Applied Computer Sciences
-Copyright (C) 2016, 2017 Lukas Friedrichsen & Philipp Stenkamp
-mailto:{philipp.stenkamp, lukas.friedrichsen}@hs-bochum.de
-
-These documents are free software; you can redistribute them and/or
-modify them under the terms and conditions of the following licenses:
-
- *.tex: dochumentation and slides
-    - either the GNU General Public License, version 3
-      or, at your option, any later version,
-    - or the Creative Commons Attribution-ShareAlike 3.0
-      Unported License
-
- *.c, *.cpp, *.h, Makefile*: programmes
-    - either the Modified BSD License,
-    - or the Creative Commons Attribution-ShareAlike 3.0
-      Unported License
-
-These documents are distributed in the hope that they will be
-useful, but WITHOUT ANY WARRANTY; without even the implied warranty
-of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-licenses for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; see the file GNU-GPL-3. If not, see
-<http://www.gnu.org/licenses/>.
-
-You should have received a copy of the Modified BSD License
-along with this document; see the file BSD-MODIFIED. If not,
-see <http://www.xfree86.org/3.3.6/COPYRIGHT2.html#5>.
-
-You should have received a copy of the Creative Commons
-Attribution-ShareAlike 3.0 Unported License along with
-this document; see the file CC-BY-SA-3.0. If not, see
-<http://creativecommons.org/licenses/>.