Prettify some /Contrib READMEs

SYN

Remove Dead Readme-Qt Links.

doc/build-msw.md

@@ -1,8 +1,6 @@
 WINDOWS BUILD NOTES
 ===================
 
-See [readme-qt.md](readme-qt.md) for instructions on building Bitcoin-Qt, the
-graphical user interface.
 
 Compilers Supported
 -------------------

doc/build-osx.md

@@ -5,8 +5,6 @@ This guide will show you how to build bitcoind(headless client) for OSX.
 Notes
 -----
 
-* See [readme-qt.md](readme-qt.md) for instructions on building Bitcoin-Qt, the
-graphical user interface.
 * Tested on OS X 10.5 through 10.8 on Intel processors only. PPC is not
 supported because it is big-endian.
 * All of the commands should be executed in a Terminal application. The

doc/build-unix.md

@@ -10,7 +10,6 @@ To Build
 	make
 
 This will build bitcoin-qt as well if the dependencies are met.
-See [readme-qt.md](readme-qt.md) for more information.
 
 Dependencies
 ---------------------