[FAB-4490] refix getting_started script reference

gerrit 10525 was left behind and git stinks so much couldn't
get it merged since another file merged that was wrapped up in it
so redoing the change here

remove the reference of bootstrap.sh to more generic

[ci-skip]

Change-Id: I688e26b54d1b6720195541bb1f0c74581a30ac98
Signed-off-by: Mark Parzygnat <markparz@us.ibm.com>

docs/source/getting_started.rst

@@ -42,7 +42,7 @@ Next, execute the following command:
 
   curl -sSL https://goo.gl/LQkuoh | bash
 
-This command downloads and executes a bash script (``bootstrap.sh``) that will
+This command downloads and executes a bash script that will
 extract all of the necessary artifacts to set up your network and place them
 into a folder named ``release``.