Remove long-deprecated GWTShell and GWTCompiler tools.

Change-Id: Ifa9eb9f20bfed18f4252e6d9841937ceb1d75743
Review-Link: https://gwt-review.googlesource.com/#/c/1030/

Review by: skybrian@google.com

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@11411 8db76d5a-ed1c-0410-87a9-c151d255dfc7
17 files changed