No need to run composer self-update, travis does that for us

WyriHaximus · WyriHaximus · commit 332b526aca33 · 2018-05-28T18:31:22.000+02:00
diff --git a/travis-init.sh b/travis-init.sh
@@ -46,6 +46,3 @@ fi
 #    fi
 
 #fi
-
-
-composer self-update

-Original file line number
+Diff line change
 #    fi
 #fi
+-
+-
 -composer self-update