qt: remove misleading '--with-developer' option

The option name seems to suggest that it could be useful for people who
wish to develop with Qt 4. However, it is intended for developers who
work on the framework itself and (among other things) makes warnings
into errors, frequently breaking the build.

Formula/qt.rb

@@ -29,7 +29,6 @@ class Qt < Formula
   option :universal
   option "with-qt3support", "Build with deprecated Qt3Support module support"
   option "with-docs", "Build documentation"
-  option "with-developer", "Build and link with developer options"
   option "without-webkit", "Build without QtWebKit module"
 
   depends_on "openssl"
@@ -38,7 +37,6 @@ class Qt < Formula
   depends_on "postgresql" => :optional
 
   deprecated_option "qtdbus" => "with-d-bus"
-  deprecated_option "developer" => "with-developer"
 
   resource "test-project" do
     url "https://gist.github.com/tdsmith/f55e7e69ae174b5b5a03.git",
@@ -105,7 +103,6 @@ class Qt < Formula
       args << "-arch" << "x86"
     end
 
-    args << "-developer-build" if build.with? "developer"
     args << "-no-webkit" if build.without? "webkit"
 
     system "./configure", *args