Remove shacache stack from lamp templates

software/lamp-template-static/software.cfg

@@ -12,7 +12,6 @@ parts =
 
 extends =
   ../../stack/lamp.cfg
-  ../../stack/shacache-client.cfg
 
 [application]
 recipe = hexagonit.recipe.download

software/lamp-template/software.cfg

@@ -11,7 +11,6 @@ parts =
   
 extends =
   ../../stack/lamp.cfg
-  ../../stack/shacache-client.cfg
 
 [application]
 recipe = slapos.recipe.build:download-unpacked

stack/lamp.cfg

@@ -37,6 +37,7 @@ extends =
   ../component/stunnel/buildout.cfg  
   ../component/pycrypto-python/buildout.cfg
   ../component/mysql-python/buildout.cfg
+  shacache-client.cfg
   ../component/python-2.7/buildout.cfg
 # python-2.7 component is here only for compatibility with old software.cfg.
 # It is not needed and should not be used in LAMP-based software.cfg