waf.bbclass: remove unused parameter from get_waf_parallel_make()

(From OE-Core rev: f7062f54c2ad601d9838d13bfe7933be92a63214)

Signed-off-by: Andre McCurdy <armccurdy@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/waf.bbclass

@@ -1,4 +1,4 @@
-def get_waf_parallel_make(bb, d):
+def get_waf_parallel_make(d):
     pm = d.getVar('PARALLEL_MAKE', True)
     if pm:
         # look for '-j' and throw other options (e.g. '-l') away
@@ -25,7 +25,7 @@ waf_do_configure() {
 }
 
 waf_do_compile()  {
-	${S}/waf build ${@get_waf_parallel_make('PARALLEL_MAKE', d)}
+	${S}/waf build ${@get_waf_parallel_make(d)}
 }
 
 waf_do_install() {