SAR-149 Updated Pipfile to install latest ska-skuid package

Pipfile

 [[source]]
-url = "https://nexus.engageska-portugal.pt/repository/pypi-proxy/simple"
+url = 'https://pypi.python.org/simple'
 verify_ssl = true
-name = "nexus-proxy"
+name = 'pypi'
 
 [[source]]
 url = "https://nexus.engageska-portugal.pt/repository/pypi/simple"
@@ -25,7 +25,7 @@ sphinx_rtd_theme = "*"
 sphinx-autobuild = "*"
 sphinxcontrib-websupport = "*"
 recommonmark = "*"
-skuid = {editable = true, ref = "SAR-147_add_txn_id_endpoint", git = "https://gitlab.com/ska-telescope/skuid.git"}
+ska-skuid = {version=">=1.2.0", index="nexus-hosted"}
 
 [dev-packages]