Remove now-unused dfhack-keybind role

conf.py

@@ -118,12 +118,6 @@ def write_tool_docs():
     for k in DOC_ALL_DIRS:
         header = ':orphan:\n'
         label = ('.. _{name}:\n\n').format(name=k[0])
-        # TODO: can we autogenerate the :dfhack-keybind: line? it would go beneath
-        # the tool header, which is currently in the middle of the included file.
-        # should we remove those headers from the doc files and just generate them
-        # here? That might be easier. But then where will the tags go? It would
-        # look better if they were above the keybinds, but then we'd be in the
-        # same situation.
         include = ('.. include:: /{path}\n\n').format(path=k[1])
         # TODO: generate a footer with links to tools that share at least one
         # tag with this tool. Just the tool names, strung across the bottom of

docs/sphinx_extensions/dfhack/tool_docs.py

@@ -89,13 +89,6 @@ def check_missing_keybinds():
         logger.warning('Undocumented keybindings for command: %s', missing_command)
 
 
-# pylint:disable=unused-argument,dangerous-default-value,too-many-arguments
-def dfhack_keybind_role(role, rawtext, text, lineno, inliner,
-                        options={}, content=[]):
-    """Custom role parser for DFHack default keybinds."""
-    return render_dfhack_keybind(text), []
-
-
 class DFHackToolDirectiveBase(sphinx.directives.ObjectDescription):
     has_content = False
     required_arguments = 0
@@ -169,7 +162,6 @@ class DFHackCommandDirective(DFHackToolDirectiveBase):
 def register(app):
     app.add_directive('dfhack-tool', DFHackToolDirective)
     app.add_directive('dfhack-command', DFHackCommandDirective)
-    app.add_role('dfhack-keybind', dfhack_keybind_role)
 
     _KEYBINDS.update(scan_all_keybinds(os.path.join(dfhack.util.DFHACK_ROOT, 'data', 'init')))