setuptools3: remove NO_FETCH_BUILD

We aren't checking for this variable anymore, so remove it from the
setuptools3 and setuptools3_legacy classes.

(From OE-Core rev: d6ef6c50dd344a8cfc873c18216ba497735d8200)

Signed-off-by: Trevor Gamblin <tgamblin@baylibre.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes-recipe/setuptools3.bbclass

@@ -32,7 +32,6 @@ setuptools3_do_configure() {
 
 setuptools3_do_compile() {
         cd ${SETUPTOOLS_SETUP_PATH}
-        NO_FETCH_BUILD=1 \
         STAGING_INCDIR=${STAGING_INCDIR} \
         STAGING_LIBDIR=${STAGING_LIBDIR} \
         ${STAGING_BINDIR_NATIVE}/python3-native/python3 setup.py \

meta/classes-recipe/setuptools3_legacy.bbclass

@@ -35,7 +35,6 @@ setuptools3_legacy_do_configure() {
 
 setuptools3_legacy_do_compile() {
         cd ${SETUPTOOLS_SETUP_PATH}
-        NO_FETCH_BUILD=1 \
         STAGING_INCDIR=${STAGING_INCDIR} \
         STAGING_LIBDIR=${STAGING_LIBDIR} \
         ${STAGING_BINDIR_NATIVE}/python3-native/python3 setup.py \