[gjs] Drop unused patches

[Kalev Lember]

commit 081793422d8e6a9e492d0f6627d4c3708bd33d11
Author: Kalev Lember <kalevlember at gmail.com>
Date:   Thu Dec 20 21:43:18 2012 +0100

    Drop unused patches

 gjs-1.30.0-749604.patch  |  120 ----------------------------------------------
 install-gi-headers.patch |   63 ------------------------
 2 files changed, 0 insertions(+), 183 deletions(-)