omniorb: fix autobuilder failure

http://autobuild.buildroot.net/results/e3244abc550a95eb69e63b8db203f39b27f3288e/

Turns out omniorb isn't building because of an old cross compile patch.
The last patchset was missing the delete.

Signed-off-by: Matt Weber <mlweber1@rockwellcollins.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/omniorb/omniorb-0001-crosscompile-tool-export.patch

@@ -1,30 +0,0 @@
-beforeauto.mk.in: added support for overriding the configure time
-defined CC/CXX/RANLIB/CPP variables so that a couple pkg tools could be
-built which generate code during the cross compile build.
-
-http://www.omniorb-support.com/pipermail/omniorb-list/2013-September/031473.html
-
-Signed-off-by: Matt Weber <mlweber1@rockwellcollins.com>
-
---- omniorb-4.1.6.orig/mk/beforeauto.mk.in	2013-09-12 12:49:55.668708148 -0500
-+++ omniorb-4.1.6/mk/beforeauto.mk.in	2013-09-12 12:51:22.707928579 -0500
-@@ -672,15 +672,15 @@
- #
- 
- AR              = ar cq
--CC              = @CC@
--CXX             = @CXX@
--RANLIB		= @RANLIB@
-+CC		?= @CC@
-+CXX		?= @CXX@
-+RANLIB		?= @RANLIB@
- MKDIRHIER	= $(BASE_OMNI_TREE)/bin/scripts/omkdirhier
- INSTLIBFLAGS	= -m 0644
- INSTEXEFLAGS	= -m 0755
- CP		= cp
- MV		= mv -f
--CPP		= @CPP@
-+CPP		?= @CPP@
- OMKDEPEND	= $(TOOLBINDIR)/omkdepend
- RMDIRHIER	= $(RM) -rf
-