compiler-rt: drop unused bits

Since 1db27bc4f7 this file is unused and should have been deleted with
that commit.

recipes-devtools/rust/compiler-rt.inc

@@ -1,28 +0,0 @@
-SUMMARY = "Rust compiler run-time"
-HOMEPAGE = "http://www.rust-lang.org"
-SECTION = "devel"
-LICENSE = "MIT"
-LIC_FILES_CHKSUM = "file://src/compiler-rt/LICENSE.TXT;md5=bf24bca27049b52e9738451aa55771d4"
-
-require rust.inc
-ALLOW_EMPTY_${PN} = "1"
-
-DEPENDS += "rust-llvm-native (=${PV})"
-# dev and staticdev should NOT depend on the binary package
-RDEPENDS_${PN}-dev = ""
-INSANE_SKIP_${PN}-dev = "staticdev"
-
-DISABLE_STATIC = ""
-INHIBIT_DEFAULT_RUST_DEPS = "1"
-
-do_compile () {
-	oe_runmake ${TARGET_SYS}/rt/libcompiler-rt.a
-}
-
-do_install () {
-	mkdir -p ${D}${libdir}
-	cp ${TARGET_SYS}/rt/libcompiler-rt.a ${D}${libdir}/libcompiler-rt.a
-}
-
-FILES_${PN}-dev = ""
-FILES_${PN}-staticdev = "${libdir}/*.a"