switch u-channel diagram from svg to cetz

1 files changed, 0 insertions, 401 deletions

diff --git a/pictures/u-channel.svg b/pictures/u-channel.svg
deleted file mode 100644
index 67d0e18..0000000
--- a/pictures/u-channel.svg
+++ /dev/null
@@ -1,401 +0,0 @@
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