[gjs: 3/4] CI: Don't install already-installed packages

[Philip Chimento <pchimento src gnome org>]

commit 3210a8fc2bfaa1c88092c872e995d9b26cfde020
Author: Philip Chimento <philip chimento gmail com>
Date:   Sat Jul 21 17:42:07 2018 -0400

    CI: Don't install already-installed packages
    
    [skip ci]
    
    See: #185

 test/extra/do_basic.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/test/extra/do_basic.sh b/test/extra/do_basic.sh
index 30068b28..97c74e03 100755
--- a/test/extra/do_basic.sh
+++ b/test/extra/do_basic.sh
@@ -30,9 +30,9 @@ function do_Install_Dependencies(){
                           pygobject2 dbus-python perl-Text-CSV perl-XML-Parser gettext-devel gtk-doc \
                           ninja-build zlib-devel libffi-devel \
                           libtool libicu-devel nspr-devel \
-                          gtk3 gtk3-devel gobject-introspection Xvfb gnome-desktop-testing dbus-x11 dbus \
-                          cairo intltool libxslt bison nspr zlib python3-devel dbus-glib libicu libffi pcre \
-                          libxml2 libxslt libtool flex \
+                          gtk3 gtk3-devel gobject-introspection Xvfb gnome-desktop-testing dbus-x11 \
+                          cairo intltool libxslt bison nspr python3-devel dbus-glib libicu \
+                          libxslt libtool flex \
                           cairo-devel zlib-devel libffi-devel pcre-devel libxml2-devel libxslt-devel \
                           libedit-devel libasan libubsan libtsan compiler-rt lcov mesa-libGL-devel 
readline-devel