Remove unnecessary TODO comment line

Because the spec document has changed not to use rst2pdf, remove
a related comment line in conf.py

Depends-On: I773def424637157ae03e6ada51a905880c0e3bf1
Change-Id: Ic9502684d0db2b6ced0a1808600baafb11206809
Implements: blueprint build-pdf-from-rst-guides

doc/admin-guide/source/conf.py

@@ -39,7 +39,6 @@ import openstackdocstheme
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-# TODO(ajaeger): enable PDF building, for example add 'rst2pdf.pdfbuilder'
 # extensions =
 
 # Add any paths that contain templates here, relative to this directory.

doc/common/source/conf.py

@@ -39,7 +39,6 @@ import openstackdocstheme
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-# TODO(ajaeger): enable PDF building, for example add 'rst2pdf.pdfbuilder'
 extensions = []
 
 # Add any paths that contain templates here, relative to this directory.

doc/contributor-guide/source/conf.py

@@ -39,7 +39,6 @@ import openstackdocstheme
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-# TODO(ajaeger): enable PDF building, for example add 'rst2pdf.pdfbuilder'
 extensions = []
 
 

doc/install-guide-debconf/source/conf.py

@@ -39,7 +39,6 @@ import openstackdocstheme
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-# TODO(ajaeger): enable PDF building, for example add 'rst2pdf.pdfbuilder'
 extensions = ['sphinxmark']
 
 # Add any paths that contain templates here, relative to this directory.

doc/install-guide/source/conf.py

@@ -39,7 +39,6 @@ import openstackdocstheme
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-# TODO(ajaeger): enable PDF building, for example add 'rst2pdf.pdfbuilder'
 extensions = ['sphinxmark']
 
 # Add any paths that contain templates here, relative to this directory.

doc/user-guide/source/conf.py

@@ -39,7 +39,6 @@ import openstackdocstheme
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-# TODO(ajaeger): enable PDF building, for example add 'rst2pdf.pdfbuilder'
 extensions = []
 
 # Add any paths that contain templates here, relative to this directory.