Remove force option from 'Push Annotated Tag' permission

The force option on 'Push Annotated Tag' had no effect and is no longer
supported.
diff --git a/project.config b/project.config
index 474a627..11ec65f 100644
--- a/project.config
+++ b/project.config
@@ -52,9 +52,9 @@
 	submit = group Administrators
 	submit = group Project Owners
 [access "refs/tags/*"]
-	pushTag = +force group Administrators
+	pushTag = group Administrators
 	pushTag = group Internal
-	pushTag = +force group Project Owners
+	pushTag = group Project Owners
 	pushSignedTag = group Administrators
 	pushSignedTag = group Internal
 	pushSignedTag = group Project Owners
@@ -65,7 +65,7 @@
 	copyMinScore = true
 	value = -2 This shall not be merged
 	value = -1 I would prefer this is not merged as is
-	value =  0 No score
+	value = 0 No score
 	value = +1 Looks good to me, but someone else must approve
 	value = +2 Looks good to me, approved
 [access "refs/heads/reviewers/settings/*"]