Don't hardcode cycler version in software.cfg

This is a followup of 0d717989

component/jupyter-py2/buildout.cfg

@@ -65,7 +65,6 @@ Pygments = 2.2.0
 astor = 0.5
 backports-abc = 0.5
 backports.shutil-get-terminal-size = 1.0.0
-cycler = 0.10.0
 ipykernel = 4.5.2
 ipython = 5.3.0
 ipython-genutils = 0.1.0

software/beremiz-ide/software.cfg

@@ -176,7 +176,6 @@ output = ${buildout:directory}/nginx_conf.in
 Pillow = 6.2.2
 matplotlib = 2.2.5
 kiwisolver = 1.1.0
-cycler = 0.10.0
 Pyro = 3.16
 zeroconf2 = 0.19.2
 cython = 0.29.24

software/beremiz-runtime/software.cfg

@@ -122,7 +122,6 @@ autobahn = 19.11.2
 txaio = 18.8.1
 idna = 2.10
 
-cycler = 0.10.0
 click = 7.1.2
 lxml  = 4.5.0
 opcua = 0.98.13

software/jupyter/software.cfg

@@ -51,7 +51,6 @@ async-generator = 1.10
 backports-abc = 0.5
 backports.shutil-get-terminal-size = 1.0.0
 bleach = 3.2.1
-cycler = 0.10.0
 defusedxml = 0.6.0
 entrypoints = 0.3
 ipykernel = 5.3.4:whl