PAN-346  -- the meta-id match is breaking things, so we're backing it out

Revert "Loxigen: added src/dst meta id matches"

This reverts commit 6798fff95a652dabea64ca722e030f11b4f187b3.
diff --git a/openflow_input/standard-1.0 b/openflow_input/standard-1.0
index 895a0b9..5d4405c 100644
--- a/openflow_input/standard-1.0
+++ b/openflow_input/standard-1.0
@@ -156,8 +156,6 @@
     OFPFW_NW_DST_MASK = 0xfc000,
     OFPFW_DL_VLAN_PCP = 0x100000,
     OFPFW_NW_TOS = 0x200000,
-    OFPFW_SRC_META_ID = 0x400000,
-    OFPFW_DST_META_ID = 0x800000,
     OFPFW_ALL = 0x3fffff,
 };
 
@@ -564,8 +562,7 @@
     uint16_t eth_type;
     uint8_t ip_dscp;
     uint8_t ip_proto;
-    uint8_t src_meta_id;
-    uint8_t dst_meta_id;
+    pad(2);
     uint32_t ipv4_src;
     uint32_t ipv4_dst;
     uint16_t tcp_src;