man: `--debug-shell=` -> `--debug-shell`

`--debug-shell` refuses to take an argument, so the equal sign is misleading (aka. `--debug-shell=yes` errors out), so let's remove it from the `man` page.

diff --git a/mkosi/resources/mkosi.md b/mkosi/resources/mkosi.md
index 4177ced9a6c1894b7ecc8ac5016411118783ef5f..7939b7bd313b47705153665bb805551e80869212 100644 (file)
--- a/mkosi/resources/mkosi.md
+++ b/mkosi/resources/mkosi.md
@@ -200,7 +200,7 @@ Those settings cannot be configured in the configuration files.
 
 : Enable additional debugging output.
 
-`--debug-shell=`
+`--debug-shell`
 
 : When executing a command in the image fails, mkosi will start an interactive
   shell in the image allowing further debugging.