Revert "Fix Bug 2234 Upgrading Python libjuju to 2.9.42.1"

This reverts commit 3f1dfe6c3459ff3eaf6f87ac6ded1a8bcdd93a69.

Change-Id: Ife5237b2be30e1ddc4d91fb1c68c8a92e284be73
Signed-off-by: Guillermo Calvino <guillermo.calvino@canonical.com>
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 268bdd8..21f6ba6 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -15,18 +15,18 @@
 # limitations under the License.
 #######################################################################################
 aiokafka==0.7.2
-    # via -r https://osm.etsi.org/gitweb/?p=osm/common.git;a=blob_plain;f=requirements.txt;hb=v12.0
+    # via -r https://osm.etsi.org/gitweb/?p=osm/common.git;a=blob_plain;f=requirements.txt;hb=master
 dataclasses==0.6
-    # via -r https://osm.etsi.org/gitweb/?p=osm/common.git;a=blob_plain;f=requirements.txt;hb=v12.0
+    # via -r https://osm.etsi.org/gitweb/?p=osm/common.git;a=blob_plain;f=requirements.txt;hb=master
 kafka-python==2.0.2
     # via
-    #   -r https://osm.etsi.org/gitweb/?p=osm/common.git;a=blob_plain;f=requirements.txt;hb=v12.0
+    #   -r https://osm.etsi.org/gitweb/?p=osm/common.git;a=blob_plain;f=requirements.txt;hb=master
     #   aiokafka
-osm-common @ git+https://osm.etsi.org/gerrit/osm/common.git@v12.0
+osm-common @ git+https://osm.etsi.org/gerrit/osm/common.git@master
     # via -r requirements-dev.in
 pycrypto==2.6.1
-    # via -r https://osm.etsi.org/gitweb/?p=osm/common.git;a=blob_plain;f=requirements.txt;hb=v12.0
+    # via -r https://osm.etsi.org/gitweb/?p=osm/common.git;a=blob_plain;f=requirements.txt;hb=master
 pymongo==3.12.3
-    # via -r https://osm.etsi.org/gitweb/?p=osm/common.git;a=blob_plain;f=requirements.txt;hb=v12.0
+    # via -r https://osm.etsi.org/gitweb/?p=osm/common.git;a=blob_plain;f=requirements.txt;hb=master
 pyyaml==5.4.1
-    # via -r https://osm.etsi.org/gitweb/?p=osm/common.git;a=blob_plain;f=requirements.txt;hb=v12.0
+    # via -r https://osm.etsi.org/gitweb/?p=osm/common.git;a=blob_plain;f=requirements.txt;hb=master