revert(3p/git): Revert merge of git upstream at v2.26.2

This causes cgit to serve error pages, which is undesirable.

This reverts commit 5229c9b232, reversing
changes made to f2b211131f.

third_party/git/t/t4100/t-apply-1.patch

@@ -75,8 +75,8 @@ diff --git a/Documentation/git.txt b/Documentation/git.txt
 +link:git-ssh-pull.html[git-ssh-pull]::
  	Pulls from a remote repository over ssh connection
  
- Interrogators:
-@@ -156,8 +156,8 @@ Interrogators:
+ Interogators:
+@@ -156,8 +156,8 @@ Interogators:
  link:git-diff-helper.html[git-diff-helper]::
  	Generates patch format output for git-diff-*