Revert "Add PyCha requirement"

This reverts commit 9a84119d.

docs/install.rst

@@ -22,8 +22,6 @@ Whoosh
     http://bitbucket.org/mchaput/whoosh/
 PyCairo
     http://cairographics.org/pycairo/
-PyCha
-    https://bitbucket.org/lgs/pycha/
 PyGtk
     http://www.pygtk.org/
 south
@@ -39,7 +37,7 @@ On Debian or Ubuntu, all requirements are already packaged, to install them you
 .. code-block:: sh
 
     apt-get install python-django translate-toolkit python-git python-django-registration \
-        python-whoosh python-cairo python-gtk2 python-django-south python-pycha
+        python-whoosh python-cairo python-gtk2 python-django-south
 
     # Optional for database backend
 
@@ -55,7 +53,7 @@ All requirements are available either directly in openSUSE or in
 .. code-block:: sh
 
     zypper install python-django python-django-registration translate-toolkit python-GitPython \
-        python-whoosh python-cairo python-South python-gtk python-pycha
+        python-whoosh python-cairo python-South python-gtk
 
 Requirements using pip installer
 ++++++++++++++++++++++++++++++++

weblate.spec

@@ -18,7 +18,6 @@ Requires:       translate-toolkit
 Requires:       python-GitPython >= 0.3
 Requires:       python-whoosh
 Requires:       python-cairo
-Requires:       python-pycha
 Requires:       python-South
 Requires:       python-gtk
 %py_requires

weblate/trans/models.py

@@ -3100,16 +3100,6 @@ def get_versions():
         '1.2',
     ))
 
-    name = 'PyCha'
-    url = 'https://bitbucket.org/lgs/pycha/'
-    mod = get_version_module('pycha', name, url)
-    result.append((
-        name,
-        url,
-        mod.version,
-        '0.6.0',
-    ))
-
     name = 'South'
     url = 'http://south.aeracode.org/'
     mod = get_version_module('south', name, url)