ovn: remove python-six dep

OVN doesn't require Python Six, since about commit
 338a6ddb5e
Maybe even earlier than that.

There are some left-over installations of six in their CI, but no usage in
any Python source code.

Refreshed patches.

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>

net/ovn/Makefile

@@ -10,7 +10,7 @@ include ../openvswitch/openvswitch.mk
 
 PKG_NAME:=ovn
 PKG_VERSION:=20.12.0
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://github.com/ovn-org/ovn.git
@@ -22,7 +22,7 @@ PKG_LICENSE_FILES:=LICENSE
 PKG_CPE_ID:=cpe:/a:openvswitch:openvswitch
 
 PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
-PKG_BUILD_DEPENDS+=python3/host python-six/host
+PKG_BUILD_DEPENDS+=python3/host
 PKG_USE_MIPS16:=0
 PKG_BUILD_PARALLEL:=1
 PKG_FIXUP:=autoreconf

net/ovn/patches/0002-build-skip-tests-and-docs.patch

@@ -10,7 +10,7 @@ Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
 
 --- a/Makefile.am
 +++ b/Makefile.am
-@@ -483,11 +483,9 @@ dist-docs:
+@@ -479,11 +479,9 @@ dist-docs:
  
  
  include automake.mk