docs: fix debian uninstall instructions

Lessley Dennington · Lessley Dennington · commit 8fe203cd5d9f · 2022-11-30T10:16:39.000-08:00
Update Debian package uninstall instructions to reflect re-name of GCM
Core to GCM.
diff --git a/docs/install.md b/docs/install.md
@@ -84,7 +84,7 @@ git-credential-manager configure
 
 ```shell
 git-credential-manager unconfigure
-sudo dpkg -r gcmcore
+sudo dpkg -r gcm
 ```
 
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