Disable shacache upload functionality

stack/slapos.cfg

@@ -273,20 +273,20 @@ download-cache-url = http://shacache.org/shacache
 download-dir-url = http://shacache.org/shadir
 
 # Upload Configuration
-signature-private-key-file = /etc/opt/slapos/shacache/signature.key
-signature-certificate-file = /etc/opt/slapos/shacache/signature.crt
-upload-binary-dir-url = https://www.shacache.org/shadir
-upload-binary-cache-url = https://www.shacache.org/shacache
-upload-cache-url = https://www.shacache.org/shacache
-upload-dir-url = https://www.shacache.org/shadir
+# signature-private-key-file = /etc/opt/slapos/shacache/signature.key
+# signature-certificate-file = /etc/opt/slapos/shacache/signature.crt
+# upload-binary-dir-url = https://www.shacache.org/shadir
+# upload-binary-cache-url = https://www.shacache.org/shacache
+# upload-cache-url = https://www.shacache.org/shacache
+# upload-dir-url = https://www.shacache.org/shadir
 
 # Options for HTTPS URLs
-shacache-ca-file = /etc/opt/slapos/shacache/ca.crt
-shacache-cert-file = /etc/opt/slapos/shacache/boxiang.crt
-shacache-key-file = /etc/opt/slapos/shacache/boxiang.key
-shadir-ca-file = /etc/opt/slapos/shacache/ca.crt
-shadir-cert-file = /etc/opt/slapos/shacache/boxiang.crt
-shadir-key-file = /etc/opt/slapos/shacache/boxiang.key
+# shacache-ca-file = /etc/opt/slapos/shacache/ca.crt
+# shacache-cert-file = /etc/opt/slapos/shacache/boxiang.crt
+# shacache-key-file = /etc/opt/slapos/shacache/boxiang.key
+# shadir-ca-file = /etc/opt/slapos/shacache/ca.crt
+# shadir-cert-file = /etc/opt/slapos/shacache/boxiang.crt
+# shadir-key-file = /etc/opt/slapos/shacache/boxiang.key
 
 # signature certificates of the following uploaders.
 #   Sebastien Robin