[gnome-commander] Do not set gcc 7 as an alternative in Dockerfile

[Uwe Scholz <uwescholz src gnome org>]

commit 3f8a211f6c6cfe45a9fabac03b8dcb20e945e25e
Author: Uwe Scholz <u scholz83 gmx de>
Date:   Sun Jan 27 21:07:20 2019 +0100

    Do not set gcc 7 as an alternative in Dockerfile

 Dockerfile | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/Dockerfile b/Dockerfile
index 6ae67c8a..0fe77aea 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,7 +11,6 @@ RUN \
   echo $LANG && \
   echo $LC_ALL && \
   sudo apt-get install gcc-8 g++-8 -y && \
-  sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 700 --slave /usr/bin/g++ g++ 
/usr/bin/g++-7 && \
   sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-8 800 --slave /usr/bin/g++ g++ 
/usr/bin/g++-8 && \
   sudo apt-get build-dep gnome-commander -y && \
   sudo apt-get install -y -qq cmake flex git-core libglib2.0-dev libgtest-dev libunique-dev yelp-tools