Remove unused pecan configuration options

The pecan configuration options `static_root` and `template_path`
in ceilometer/api/config.py has never take effect since the files
which have specified don't exist. The two options actually is not
required according to:
http://pecan.readthedocs.org/en/latest/configuration.html#application-configuration

This patch removes the two pecan configuration options.

Change-Id: If7e7b264145544c1ff5359d108581320ee942b4d
Closes-Bug: #1408858

ceilometer/api/app.py

@@ -81,8 +81,6 @@ def setup_app(pecan_config=None, extra_hooks=None):
 
     app = pecan.make_app(
         pecan_config.app.root,
-        static_root=pecan_config.app.static_root,
-        template_path=pecan_config.app.template_path,
         debug=CONF.api.pecan_debug,
         force_canonical=getattr(pecan_config.app, 'force_canonical', True),
         hooks=app_hooks,

ceilometer/api/config.py

@@ -20,8 +20,6 @@ server = {
 app = {
     'root': 'ceilometer.api.controllers.root.RootController',
     'modules': ['ceilometer.api'],
-    'static_root': '%(confdir)s/public',
-    'template_path': '%(confdir)s/ceilometer/api/templates',
 }
 
 # Custom Configurations must be in Python dictionary format::

ceilometer/tests/api/__init__.py

@@ -50,15 +50,10 @@ class FunctionalTest(db_test_base.TestBase):
         self.app = self._make_app()
 
     def _make_app(self, enable_acl=False):
-        # Determine where we are so we can set up paths in the config
-        root_dir = self.path_get()
-
         self.config = {
             'app': {
                 'root': 'ceilometer.api.controllers.root.RootController',
                 'modules': ['ceilometer.api'],
-                'static_root': '%s/public' % root_dir,
-                'template_path': '%s/ceilometer/api/templates' % root_dir,
                 'enable_acl': enable_acl,
             },
             'wsme': {