fix pdf rendering by removing unused .gif

It seems LaTeX doesn't support GIF files and that's what
readthedocs are using to generate the PDF versions of the docs.
So, removed the reference to the `.gif` file and deleted the unused
cruft.

docs/.static/repoze.css

@@ -1,33 +0,0 @@
-@import url('default.css');
-body {
-    background-color: #006339;
-}
-
-div.document {
-    background-color: #dad3bd;
-}
-
-div.sphinxsidebar h3, h4, h5, a {
-    color: #127c56 !important;
-}
-
-div.related {
-    color: #dad3bd !important;
-    background-color: #00744a;
-}
-
-div.related a {
-    color: #dad3bd !important;
-}
-
-/* override the justify text align of the default */
-
-div.body p {
-    text-align: left !important;
-}
-
-/* fix google chrome <pre> tag renderings */
-
-pre {
-   line-height: normal !important;
-}

docs/conf.py

@@ -199,7 +199,7 @@ latex_documents = [
 
 # The name of an image file (relative to this directory) to place at the
 # top of the title page.
-latex_logo = '.static/logo_hi.gif'
+#latex_logo = '.static/logo_hi.gif'
 
 # For "manual" documents, if this is true, then toplevel headings are
 # parts, not chapters.