caddy: remove useless configuration

component/caddy/buildout.cfg

-[buildout]
-extends =
-  ../../component/golang/buildout.cfg
-
-parts += 
-  caddy-repository
-
-[git-repository]
-recipe  = slapos.recipe.build:gitclone
-git-executable = ${git:location}/bin/git
-
-[go-git-repository]
-<= git-repository
-repository = https://${:go.importpath}.git
-location = ${gopath:src}/${:go.importpath}
-
-[caddy-repository]
-<= go-git-repository
-go.importpath = github.com/mholt/caddy
-revision = c4dfbb9956095c92d0586a52723748c070c7b459
-recursive = true
\ No newline at end of file

stack/caddy/buildout.cfg

 [buildout]
 extends =
-  ../../component/caddy/buildout.cfg
+  ../../component/golang/buildout.cfg
   ../../stack/slapos.cfg
   gowork.cfg
 
@@ -23,11 +23,6 @@ output =${buildout:directory}/instance.cfg
 filename = instance.cfg
 mode = 0644
 
-[gopath]
-directory = ${buildout:directory}/go.work
-src	= ${:directory}/src
-bin	= ${:directory}/bin
-
 [template-caddyfile]
 recipe = slapos.recipe.template
 url = ${:_profile_base_location_}/Caddyfile.in
@@ -51,12 +46,12 @@ mode = 0644
 
 [caddy]
 recipe  = slapos.recipe.cmmi
-path    = ${caddy-repository:location}
+path    = ${go_github.com_mholt_caddy:location}
 go      = ${gowork:golang}/bin/go
 configure-command = :
 make-targets =
 make-binary = cd ${:path}/caddy && ${:go} install -v
 environment =
   PATH=${pkgconfig:location}/bin:${gowork:golang}/bin:${buildout:bin-directory}:%(PATH)s
-  GOPATH=${gopath:directory}
-output =  ${gopath:bin}/caddy
\ No newline at end of file
+  GOPATH=${gowork:directory}
+output =  ${gowork:bin}/caddy
\ No newline at end of file