docs: fix markup

docs/man/borg.1

@@ -605,8 +605,6 @@ server to get the approximate resource usage.
 .IP \(bu 2
 \fBborg delete repo:\fP done on the server
 .UNINDENT
-.IP "System Message: WARNING/2 (docs/usage_general.rst.inc:, line 354)"
-Bullet list ends without a blank line; unexpected unindent.
 .sp
 It won\(aqt go beyond 100% of 1 core as the code is currently single\-threaded.
 Especially higher zlib and lzma compression levels use significant amounts

docs/usage_general.rst.inc

@@ -351,6 +351,7 @@ CPU client:
     - **borg check:** similar to extract, but depends on options given.
     - **borg prune / borg delete archive:** low to medium CPU usage
     - **borg delete repo:** done on the server
+
     It won't go beyond 100% of 1 core as the code is currently single-threaded.
     Especially higher zlib and lzma compression levels use significant amounts
     of CPU cycles. Crypto might be cheap on the CPU (if hardware accelerated) or