Manual backport of #467 - removed pruning/incremental comments for 3.9

Author: chuckp22

bin/ghe-backup

@@ -8,7 +8,6 @@
 #/   -v | --verbose       Enable verbose output.
 #/   -h | --help          Show this message.
 #/        --version       Display version information.
-#/   -i | --incremental   Incremental backup
 #/        --skip-checks   Skip storage/sw version checks
 #/
 

docs/README.md

@@ -6,7 +6,7 @@
   - **[GitHub Enterprise Server version requirements](requirements.md#github-enterprise-version-requirements)**
 - **[Getting started](getting-started.md)**
 - **[Using the backup and restore commands](usage.md)**
-- **[Scheduling backups & snapshot pruning](scheduling-backups.md)**
+- **[Scheduling backups](scheduling-backups.md)**
 - **[Backup snapshot file structure](backup-snapshot-file-structure.md)**
 - **[How does Backup Utilities differ from a High Availability replica?](faq.md)**
 - **[Docker](docker.md)**