NetBpfLoad: remove support for 'old' formats

cannot happen as it only loads mainline code
that it was built (and tested) along side of.

ie. a failure here would cause a TH boot failure.

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Ia350deb10b4e40c9f4f01ea140a0bf97db508086
diff --git a/netbpfload/loader.cpp b/netbpfload/loader.cpp
index 8a4c161..c5077fb 100644
--- a/netbpfload/loader.cpp
+++ b/netbpfload/loader.cpp
@@ -413,9 +413,6 @@
                         size_t sizeOfBpfProgDef) {
     vector<char> pdData;
     int ret = readSectionByName("progs", elfFile, pdData);
-    // Older file formats do not require a 'progs' section at all.
-    // (We should probably figure out whether this is behaviour which is safe to remove now.)
-    if (ret == -2) return 0;
     if (ret) return ret;
 
     if (pdData.size() % sizeOfBpfProgDef) {