musl,glibc,newlib: Drop redundant STAGINGCC

We do not have initial phase of bootstrapping toolchains anymore

(From OE-Core rev: 75a2c15bbabf4df14631c822b20ce6d31098a5c8)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/multilib.bbclass

@@ -88,8 +88,6 @@ python multilib_virtclass_handler () {
 addhandler multilib_virtclass_handler
 multilib_virtclass_handler[eventmask] = "bb.event.RecipePreFinalise"
 
-STAGINGCC_prepend = "${BBEXTENDVARIANT}-"
-
 python __anonymous () {
     variant = d.getVar("BBEXTENDVARIANT")
 

meta/recipes-core/glibc/glibc.inc

@@ -2,10 +2,6 @@ require glibc-common.inc
 require glibc-ld.inc
 require glibc-testing.inc
 
-STAGINGCC = "gcc-cross-initial-${TARGET_ARCH}"
-STAGINGCC_class-nativesdk = "gcc-crosssdk-initial-${SDK_SYS}"
-PATH_prepend = "${STAGING_BINDIR_TOOLCHAIN}.${STAGINGCC}:"
-
 python () {
     opt_effective = "-O"
     for opt in d.getVar('SELECTED_OPTIMIZATION').split():

meta/recipes-core/musl/musl.inc

@@ -11,14 +11,8 @@ LICENSE = "MIT"
 SECTION = "libs"
 LIC_FILES_CHKSUM = "file://COPYRIGHT;md5=8a4bb28f771c817fe57d3a7c4240e3aa"
 
-PATH_prepend = "${STAGING_BINDIR_TOOLCHAIN}.${STAGINGCC}:"
-
 INHIBIT_DEFAULT_DEPS = "1"
 
-STAGINGCC = "gcc-cross-initial-${TARGET_ARCH}"
-STAGINGCC_class-nativesdk = "gcc-crosssdk-initial-${SDK_SYS}"
-
-
 FILES_SOLIBSDEV = ""
 FILES_${PN} += "${libdir}/lib*${SOLIBSDEV}"
 INSANE_SKIP_${PN} = "dev-so"

meta/recipes-core/newlib/newlib.inc

@@ -22,10 +22,6 @@ SRC_URI[sha256sum] = "c8566335ee74e5fcaeb8595b4ebd0400c4b043d6acb3263ecb1314f8f5
 INHIBIT_DEFAULT_DEPS = "1"
 DEPENDS = "virtual/${TARGET_PREFIX}gcc"
 
-PATH_prepend = "${STAGING_BINDIR_TOOLCHAIN}.${STAGINGCC}:"
-STAGINGCC = "gcc-cross-initial-${TARGET_ARCH}"
-STAGINGCC_class-nativesdk = "gcc-crosssdk-initial-${SDK_SYS}"
-
 S = "${WORKDIR}/newlib-${PV}"
 B = "${WORKDIR}/build"