mtools: Drop GCONV_PATH manipulation

Now that nativesdk-glibc handles GCONV_PATH itself we don't need to do
this here. This unbreaks mtools for the native case without uninative
since the existing patch wasn't nativesdk specific.

(From OE-Core rev: 331ad5c5f80044a5e82abca0e87a85b162126411)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/mtools/mtools_3.9.9.bb

@@ -51,8 +51,3 @@ do_install_prepend () {
     mkdir -p ${D}/${bindir}
     mkdir -p ${D}/${datadir}
 }
-
-do_install_append_class-native () {
-    create_wrapper ${D}${bindir}/mcopy \
-        GCONV_PATH=${libdir}/gconv
-}

meta/recipes-devtools/mtools/mtools_4.0.18.bb

@@ -48,8 +48,3 @@ do_install_prepend () {
     mkdir -p ${D}/${bindir}
     mkdir -p ${D}/${datadir}
 }
-
-do_install_append_class-native () {
-    create_wrapper ${D}${bindir}/mcopy \
-        GCONV_PATH=${libdir}/gconv
-}