Updates to use the cthulhu name with out the go suffix.

wormhole/tentacle.toml

@@ -18,6 +18,6 @@ major = 1
 minor = 0
 
 [requirements]
-reader = "Cthulhu-Go with interactive Tentacle settings support"
+reader = "Cthulhu with interactive Tentacle settings support"
 runtime = "Magic Wormhole CLI (wormhole); xclip for clipboard operations"
-build = "Go 1.24 or newer and the adjacent cthulhu-go source checkout"
+build = "Go 1.24 or newer and the adjacent cthulhu source checkout"