[df-utils] Remove rockspec, unnecessary for LÖVE-specific library.

df-utils-scm-1.rockspec

@@ -1,28 +0,0 @@
-rockspec_format = "3.0"
-package = "df-utils"
-version = "scm-1"
-source = {
-    url = "git+https://git.doublefourteen.io/lua/df-utils.git"
-}
-description = {
-    summary = "The DoubleFourteen LÖVE Utility Library",
-    homepage = "https://git.doublefourteen.io/lua/df-utils",
-    maintainer = "The DoubleFourteen Code Forge <info@doublefourteen.io>",
-    license = "zlib",
-    labels = { "math", "physics", "algorithms", "love", "game" }
-}
-dependencies = {
-    "lua >= 5.2"
-}
-test_dependencies = {
-    "busted"
-}
-build = {
-    type = "builtin",
-    modules = {
-        ["df-utils"] = "init.lua"
-    }
-}
-test = {
-    type = "busted"
-}