chore(3p/git): Unvendor git and track patches instead r/2903

This was vendored a long time ago under the expectation that keeping
it in sync with cgit would be easier this way, but it has proven not
to be a big issue.

On the other hand, a vendored copy of git is an annoying maintenance
burden. It is much easier to rebase the single (dottime) patch that we
have.

This removes the vendored copy of git and instead passes the git
source code to cgit via `pkgs.srcOnly`, which includes the applied
patch so that cgit can continue rendering dottime.

Change-Id: If31f62dea7ce688fd1b9050204e9378019775f2b

2 files changed, 0 insertions, 673 deletions

diff --git a/third_party/git/t/t9150/make-svk-dump b/third_party/git/t/t9150/make-svk-dump
deleted file mode 100755
index 2242f14ebec6..000000000000
--- a/third_party/git/t/t9150/make-svk-dump
+++ /dev/null
@@ -1,57 +0,0 @@
-#!/bin/sh
-#
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-# first ever git merge, as if it were done with svk.
-#
-
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-
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-
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-
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-svk commit -m "left update 1"
-
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-svk commit -m "trunk update"
-
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-svk commit -m "left update 2"
-
-cd ../../trunk
-svk sm /foo/branches/left
-# in theory we could delete the "left" branch here, but it's not
-# required so don't do it, in case people start getting ideas ;)
-svk commit -m "merge branch 'left' into 'trunk'"
-
-git cat-file blob b51ad431:Makefile > Makefile
-
-svk diff Makefile && echo "Hey!  No differences, magic"
-
-cd ../..
-
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-
-svk co -d foo
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-
diff --git a/third_party/git/t/t9150/svk-merge.dump b/third_party/git/t/t9150/svk-merge.dump
deleted file mode 100644
index 42f70dbec751..000000000000
--- a/third_party/git/t/t9150/svk-merge.dump
+++ /dev/null
@@ -1,616 +0,0 @@
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-
-check-files: check-files.o read-cache.o
-	$(CC) $(CFLAGS) -o check-files check-files.o read-cache.o $(LIBS)
-
-ls-tree: ls-tree.o read-cache.o
-	$(CC) $(CFLAGS) -o ls-tree ls-tree.o read-cache.o $(LIBS)
-
-merge-base: merge-base.o read-cache.o object.o commit.o tree.o blob.o
-	$(CC) $(CFLAGS) -o merge-base merge-base.o read-cache.o object.o commit.o tree.o blob.o $(LIBS)
-
-merge-cache: merge-cache.o read-cache.o
-	$(CC) $(CFLAGS) -o merge-cache merge-cache.o read-cache.o $(LIBS)
-
-read-cache.o: cache.h
-show-diff.o: cache.h
-
-clean:
-	rm -f *.o $(PROG)
-
-backup: clean
-	cd .. ; tar czvf dircache.tar.gz dir-cache
-
-