Revert "ofproto-dpif-upcall: Mirror packets that are modified." #617

Job	Run time
dpdk gcc	9s
linux deb no dpdk	7m 28s
osx clang --disable-ssl	4m 22s
linux rpm fedora	6m 17s
linux gcc --disable-ssl	3m 26s
linux clang --disable-ssl	3m 10s
linux gcc test	10m 12s
linux clang test asan	25m 28s
linux clang test ubsan	12m 18s
linux gcc test --enable-shared	18m 33s
linux clang test --enable-shared	14m 59s
linux gcc test dpdk	10m 55s
linux clang test dpdk	10m 5s
linux gcc test -ljemalloc	12m 7s
linux clang test -ljemalloc	14m 19s
linux gcc --enable-afxdp	4m 12s
linux clang --enable-afxdp	4m 19s
linux gcc dpdk --enable-shared	5m 35s
linux clang dpdk --enable-shared	4m 49s
linux gcc dpdk-shared	4m 22s
linux clang dpdk-shared	3m 53s
linux gcc dpdk-shared --enable-shared	6m 16s
linux clang dpdk-shared --enable-shared	4m 9s
linux gcc m32 --disable-ssl	3m 20s
	3h 14m 43s

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