posts: Remove unnecessary single quotes in signify-cgit.md

These were here because the argument used to contain a glob, like so:

	--notes='signatures/*'

Thanks to V for reporting this.

1 files changed, 1 insertions, 1 deletions

diff --git a/posts/signify-cgit.md b/posts/signify-cgit.md
index bf0e48e..7cbacba 100644
--- a/posts/signify-cgit.md
+++ b/posts/signify-cgit.md
@@ -165,7 +165,7 @@ Git also supports showing notes in
 format inline after the commit message[^6]:
 
 ```
-$ git log --notes='signatures/tar.gz'
+$ git log --notes=signatures/tar.gz
 ```
 
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