software/seleniumrunner: remove unused instance

For now, we are just using this software to install firefox and xvfb,
but the instance is never used, we use jstestnode instead.

software/seleniumrunner/buildout.hash.cfg

@@ -19,4 +19,4 @@ md5sum = c4ac5de141ae6a64848309af03e51d88
 
 [template-selenium]
 filename = instance-selenium.cfg.in
-md5sum = 9b6648b8f37baa3f7a6bfb68d4426049
+md5sum = 8f06bef6ed0737afa7916bc5ac7db537

software/seleniumrunner/instance-selenium.cfg.in

@@ -6,33 +6,6 @@ eggs-directory = ${buildout:eggs-directory}
 develop-eggs-directory = ${buildout:develop-eggs-directory} 
 offline = true
 
-[selenium-instance]
-recipe = slapos.cookbook:seleniumrunner
-runner-path = $${basedirectory:services}/selenium-runner
-browser = $${firefox-instance:runner-path}
-suite-url = $${slap-parameter:suite-url}
-report-url = $${slap-parameter:report-url}
-report-project = $${slap-parameter:report-project}
-
-[firefox-instance]
-recipe = slapos.cookbook:firefox
-runner-path = $${rootdirectory:bin}/firefox-sandboxed
-firefox-path = ${firefox-wrapper:location}
-prefsjs-path = $${rootdirectory:etc}/prefs.js
-shell-path = ${dash:location}/bin/dash
-tmp-path = $${xvfb-instance:tmp-path}
-
-[xvfb-instance]
-recipe = slapos.cookbook:xvfb
-runner-path = $${basedirectory:services}/xvfb
-xvfb-path = ${xserver:location}/bin/Xvfb
-fbdir-path = $${basedirectory:framebuffer}
-tmp-path = $${basedirectory:run}
-shell-path = ${dash:location}/bin/dash
-
-xwd-path = ${xwd:location}/bin/xwd
-xwd-hook-path = $${rootdirectory:bin}/xwd
-
 [rootdirectory]
 recipe = slapos.cookbook:mkdirectory
 etc = $${buildout:directory}/etc