[gnome-build-meta] py3cairo: Update to 1.16.1

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 7ba0e3f1b9e399ee1f4f57f1418bc47120e7405d
Author: Christoph Reiter <reiter christoph gmail com>
Date:   Wed Feb 7 11:26:10 2018 +0100

    py3cairo: Update to 1.16.1
    
    Remove command to move py3cairo.pc, it's now installed into prefix/lib
    by default.

 elements/core-deps/py3cairo.bst | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)
---
diff --git a/elements/core-deps/py3cairo.bst b/elements/core-deps/py3cairo.bst
index 0665b04..5c04ad9 100644
--- a/elements/core-deps/py3cairo.bst
+++ b/elements/core-deps/py3cairo.bst
@@ -1,13 +1,9 @@
 kind: distutils
 sources:
 - kind: tar
-  url: github_tar:pygobject/pycairo/releases/download/v1.15.1/pycairo-1.15.1.tar.gz
-  ref: 987d392270247343595d37591f80639ed902fce7e30bd2f944cb1b0a9093553d
+  url: github_tar:pygobject/pycairo/releases/download/v1.16.1/pycairo-1.16.1.tar.gz
+  ref: 47a14a6a2f8dadb649229f099ac712a5f3d0a22e14877165a203d8a0de09ad63
 depends:
 - base.bst
 variables:
   python: python3
-config:
-  install-commands:
-    (>):
-    - sed -i -e 's|/usr|%{prefix}|g' %{install-root}%{prefix}/lib/pkgconfig/py3cairo.pc