Updated Upstream (Bukkit/CraftBukkit/Spigot) (#6149)

Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
17c35d6e SPIGOT-6637: Revert "#636: Add FurnaceStartSmeltEvent"
4b27230b SPIGOT-6623: Missing API reasons for entity freezing
e1528c85 #636: Add FurnaceStartSmeltEvent

CraftBukkit Changes:
a6292cc3 SPIGOT-6637: Revert "#874: Add FurnaceStartSmeltEvent"
f4066854 SPIGOT-6579: DragonFireBall movement with setDirection jumps around a lot
9add952b SPIGOT-6623: Missing API reasons for entity freezing
2ea359f1 #874: Add FurnaceStartSmeltEvent
be8d625e SPIGOT-5560, SPIGOT-6574, SPIGOT-6632: Remove no longer needed tile entity fix

Spigot Changes:
eac3cd96 Rebuild patches

3 files changed, 0 insertions, 0 deletions

diff --git a/work/Bukkit b/work/Bukkit
-Subproject d8198b3ec5d3a9d15cfb0dde7307c3b549574c5
+Subproject 17c35d6eb0d303a9047e41855c9a297e9bd1872
diff --git a/work/CraftBukkit b/work/CraftBukkit
-Subproject b5d7883afc519c56031e6cd93462ba4601075aa
+Subproject a6292cc3c4fe5c901d0c959747c88991e185249
diff --git a/work/Spigot b/work/Spigot
-Subproject 610a8c06f422aecbe72d4fa38fae6f634b8d1ce
+Subproject eac3cd963927641565f43f09f7a127cfeaa3447