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/t4211/sha1/expect.simple-main-to-end

@@ -1,70 +0,0 @@
-commit 4659538844daa2849b1a9e7d6fadb96fcd26fc83
-Author: Thomas Rast <trast@student.ethz.ch>
-Date:   Thu Feb 28 10:48:43 2013 +0100
-
-    change back to complete line
-
-diff --git a/a.c b/a.c
---- a/a.c
-+++ b/a.c
-@@ -18,5 +18,7 @@
- int main ()
- {
- 	printf("%ld\n", f(15));
- 	return 0;
--}
-\ No newline at end of file
-+}
-+
-+/* incomplete lines are bad! */
-
-commit 100b61a6f2f720f812620a9d10afb3a960ccb73c
-Author: Thomas Rast <trast@student.ethz.ch>
-Date:   Thu Feb 28 10:48:10 2013 +0100
-
-    change to an incomplete line at end
-
-diff --git a/a.c b/a.c
---- a/a.c
-+++ b/a.c
-@@ -18,5 +18,5 @@
- int main ()
- {
- 	printf("%ld\n", f(15));
- 	return 0;
--}
-+}
-\ No newline at end of file
-
-commit a6eb82647d5d67f893da442f8f9375fd89a3b1e2
-Author: Thomas Rast <trast@student.ethz.ch>
-Date:   Thu Feb 28 10:45:16 2013 +0100
-
-    touch both functions
-
-diff --git a/a.c b/a.c
---- a/a.c
-+++ b/a.c
-@@ -17,5 +17,5 @@
- int main ()
- {
--	printf("%d\n", f(15));
-+	printf("%ld\n", f(15));
- 	return 0;
- }
-
-commit de4c48ae814792c02a49c4c3c0c757ae69c55f6a
-Author: Thomas Rast <trast@student.ethz.ch>
-Date:   Thu Feb 28 10:44:48 2013 +0100
-
-    initial
-
-diff --git a/a.c b/a.c
---- /dev/null
-+++ b/a.c
-@@ -0,0 +16,5 @@
-+int main ()
-+{
-+	printf("%d\n", f(15));
-+	return 0;
-+}