Merge pull request #6453 from Goober5000/add_remove_goal_sexp_updates #1780

Job	Run time
Linux (Debug, gcc-9)	13m 17s
Linux (Debug, gcc-13)	10m 16s
Linux (Debug, clang-16)	12m 18s
Linux (Release, gcc-9)	17m 54s
Linux (Release, gcc-13)	13m 12s
Linux (Release, clang-16)	17m 36s
Linux (Debug, gcc-13, -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=OFF)	10m 47s
Linux (Release, gcc-13, -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=OFF)	14m 1s
	1h 49m 21s

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