_content/doc: fixes to the table of contents

Move FAQ from the Modules section (where it doesn't belong), and remove
a stale header since a whole section exists about DB access.

Change-Id: If40e1ba2e606b4b2a4135aea5904a803b674b5b4
Reviewed-on: https://go-review.googlesource.com/c/website/+/496555
Run-TryBot: Eli Bendersky‎ <eliben@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cameron Balahan <cbalahan@google.com>
Reviewed-by: Todd Kulesza <tkulesza@google.com>
diff --git a/_content/doc/index.html b/_content/doc/index.html
index 4440045..5c9ad2a 100644
--- a/_content/doc/index.html
+++ b/_content/doc/index.html
@@ -92,6 +92,12 @@
 the language specification, both of which should be read first.
 </p>
 
+<h3 id="faq"><a href="/doc/faq">Frequently Asked Questions (FAQ)</a></h3>
+
+<p>
+Answers to common questions about Go.
+</p>
+
 <h3 id="editors"><a href="editors.html">Editor plugins and IDEs</a></h3>
 <p>
 A document that summarizes commonly used editor plugins and IDEs with
@@ -128,7 +134,6 @@
 Main documentation page for profile-guided optimization (PGO) of Go applications.
 </p>
 
-<h3 id="data-access">Accessing databases</h3>
 </section>
 
 
@@ -284,12 +289,6 @@
 A module's developer uses each part of a module's version number to signal the version’s stability and backward compatibility. For each new release, a module's release version number specifically reflects the nature of the module's changes since the preceding release.
 </p>
 
-<h3 id="faq"><a href="/doc/faq">Frequently Asked Questions (FAQ)</a></h3>
-
-<p>
-Answers to common questions about Go.
-</p>
-
 </section>