Remove apidoc

Now there are some errors when running apidoc,
actually we don't need apidoc, so remove it.
Closes-Bug: #1831515

Change-Id: I3b91a2c05ed62ae7bbd30a29e9db51d0e021410f

doc/source/conf.py

@@ -32,7 +32,6 @@ sys.path.insert(0, os.path.abspath('./'))
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
 extensions = [
     'oslo_config.sphinxext',
-    'sphinxcontrib.apidoc',
     'sphinx.ext.viewcode',
     'sphinxcontrib.httpdomain',
     'sphinxcontrib.pecanwsme.rest',
@@ -51,22 +50,6 @@ config_generator_config_file = [(
     '_static/watcher')]
 sample_config_basename = 'watcher'
 
-# autodoc generation is a bit aggressive and a nuisance when doing heavy
-# text edit cycles.
-# execute "export SPHINX_DEBUG=1" in your terminal to disable
-
-# sphinxcontrib.apidoc options
-apidoc_module_dir = '../../watcher'
-apidoc_output_dir = 'api'
-apidoc_excluded_paths = [
-    'tests/*',
-    'db',
-    'decision_engine',
-    'doc',
-    'objects',
-]
-apidoc_separate_modules = True
-
 # The suffix of source filenames.
 source_suffix = '.rst'