doc: remove roadmap document

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/5726047

doc/contrib.html

@@ -12,9 +12,6 @@
 <p>View the status of Go builds across the supported operating
 systems and architectures.</p>
 
-<h3 id="roadmap"><a href="/doc/devel/roadmap.html">Roadmap</a></h3>
-<p>Features and ideas being developed or discussed by the Go team.</p>
-
 <h3 id="release"><a href="/doc/devel/release.html">Release History</a></h3>
 <p>A summary of the changes between Go releases.</p>
 

doc/devel/index.html

-<!-- The Go project -->
-
-<ul>
-<li><a href="roadmap.html">Roadmap</a></li>
-<li><a href="release.html">Release history</a></li>
-<li><a href="weekly.html">Weekly snapshot history</a></li>
-<li><a href="http://build.golang.org/">Build status</a></li>
-</ul>
-<ul>
-<li><a href="../contribute.html">Contributing code</a></li>
-</ul>

doc/devel/roadmap.html

-<!-- Roadmap -->
-
-<h2 id="Roadmap">Go Roadmap</h2>
-
-<p>
-This page lists features and ideas being developed or discussed by the
-Go team.  This list will be updated as work continues.
-
-<p>
-The roadmap should be discussed on
-the <a href="http://groups.google.com/group/golang-nuts">golang-nuts
-mailing list</a>.
-
-<h3 id="Language_roadmap">
-Language roadmap</h3>
-
-<p>
-This is a list of language changes that are being considered.
-Appearance on this list is no guarantee that the change will be
-accepted.
-
-<ul>
-<li>
-Possibly rewrite restriction on goto across variable declarations.
-<li>
-Variant types.  A way to define a type as being the union of some set
-of types.
-<li>
-Generics.  An active topic of discussion.
-<li>
-Methods for operators, to allow a type to use arithmetic notation for
-expressions.
-<li>
-Possibly allow top-level packages to be given names other than main.
-</ul>
-
-<h3 id="Implementation_roadmap">
-Implementation roadmap</h3>
-
-<ul>
-<li>
-Improved garbage collector.
-<li>
-Debugger.
-<li>
-Improved implementation documentation.
-</ul>
-
-<h4 id="Gc_roadmap">
-Gc compiler roadmap</h4>
-
-<ul>
-<li>
-Implement goto restrictions.
-<li>
-Improved optimization.
-<li>
-Use escape analysis to keep more data on stack.
-</ul>
-
-<h4 id="Gccgo_roadmap">
-Gccgo compiler roadmap</h4>
-
-<ul>
-<li>
-Implement goto restrictions.
-<li>
-Use goroutines rather than threads.
-<li>
-Separate gcc interface from frontend proper.
-<li>
-Use escape analysis to keep more data on stack.
-</ul>
-
-<h4 id="Tools_roadmap">
-Tools roadmap</h4>
-
-<ul>
-<li>
-Strengthen goinstall until it can displace make for most builds.
-</ul>
-
-<h4 id="Packages_roadmap">
-Packages roadmap</h4>
-
-<ul>
-<li>
-Faster, RE2-like regular expressions.
-<li>
-Comprehensive support for international text.
-<li>
-Support for international dates, times, etc.
-<li>
-Support for multilingual messages.
-</ul>
-
-
-<h3 id="done">Done</h3>
-
-<ul>
-<li>
-gc: Generate DWARF debug info.
-<li>
-gc: Provide gdb support for runtime facilities.
-<li>
-Safe compilation mode: generate code that is guaranteed not to obtain an invalid memory address other than via <code>import "unsafe"</code>.
-<li>
-Gccgo: garbage collection.
-<li>
-SWIG support.
-<li>		
-Simpler semicolon rules.
-<li>		
-A more general definition of <code>...</code> in parameter lists.
-<li>		
-Explicit conversions from <code>string</code>		
-to <code>[]byte</code> and <code>[]int</code>.		
-<li>
-A function that will be run by the garbage collector when an item is freed
-(runtime.SetFinalizer).
-<li>
-Public continuous build and benchmark infrastructure (gobuilder).
-<li>
-Package manager (goinstall).
-<li>
-A means of recovering from a panic (recover).
-<li>
-5g: Better floating point support.
-<li>
-Improved CGO including some mechanism for calling back from C to Go.
-<li>
-Faster, allocation-light reflection.
-<li>
-App Engine support.
-</ul>