Adding in the better sed

Renaming to index.md;rereading of Hugo showed me my mistake; removing commented out/Markdown has no comment feature
Updating with Olivier. Yay! It looks great

Signed-off-by: Mary Anthony <mary@docker.com>

docs/storage-drivers/azure.md

@@ -3,8 +3,6 @@
 title = "Microsoft Azure storage driver"
 description = "Explains how to use the Azure storage drivers"
 keywords = ["registry, service, driver, images, storage,  azure"]
-[menu.main]
-parent="smn_registry_drivers"
 +++
 <![end-metadata]-->
 

docs/storage-drivers/filesystem.md

@@ -3,8 +3,6 @@
 title = "Filesystem storage driver"
 description = "Explains how to use the filesystem storage drivers"
 keywords = ["registry, service, driver, images, storage,  filesystem"]
-[menu.main]
-parent="smn_registry_drivers"
 +++
 <![end-metadata]-->
 

docs/storage-drivers/inmemory.md

@@ -3,8 +3,6 @@
 title = "In-memory storage driver"
 description = "Explains how to use the in-memory storage drivers"
 keywords = ["registry, service, driver, images, storage,  in-memory"]
-[menu.main]
-parent="smn_registry_drivers"
 +++
 <![end-metadata]-->
 

docs/storage-drivers/rados.md

@@ -3,8 +3,6 @@
 title = "Ceph RADOS storage driver"
 description = "Explains how to use the Ceph RADOS storage driver"
 keywords = ["registry, service, driver, images, storage, ceph,  rados"]
-[menu.main]
-parent="smn_registry_drivers"
 +++
 <![end-metadata]-->
 

docs/storage-drivers/s3.md

@@ -3,8 +3,6 @@
 title = "S3 storage driver"
 description = "Explains how to use the S3 storage drivers"
 keywords = ["registry, service, driver, images, storage,  S3"]
-[menu.main]
-parent="smn_registry_drivers"
 +++
 <![end-metadata]-->