Platform BpfLoader: remove IGNORE_ON_{ARCH} support

We've never used it (even in mainline) and it's probably even
less useful in platform, as it can simply be handled at build
time by appropriate Android.bp stanzas...

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I788dae8d0378556e5e4580e1ca4f2f0cd6b393dc
diff --git a/libbpf_android/Loader.cpp b/libbpf_android/Loader.cpp
index 7c2cf0b..c96c0f0 100644
--- a/libbpf_android/Loader.cpp
+++ b/libbpf_android/Loader.cpp
@@ -656,17 +656,6 @@
             continue;
         }
 
-        if ((isArm() && isKernel32Bit() && md[i].ignore_on_arm32) ||
-            (isArm() && isKernel64Bit() && md[i].ignore_on_aarch64) ||
-            (isX86() && isKernel32Bit() && md[i].ignore_on_x86_32) ||
-            (isX86() && isKernel64Bit() && md[i].ignore_on_x86_64) ||
-            (isRiscV() && md[i].ignore_on_riscv64)) {
-            ALOGI("skipping map %s which is ignored on %s", mapNames[i].c_str(),
-                  describeArch());
-            mapFds.push_back(unique_fd());
-            continue;
-        }
-
         enum bpf_map_type type = md[i].type;
         if (type == BPF_MAP_TYPE_DEVMAP_HASH && !isAtLeastKernelVersion(5, 4, 0)) {
             // On Linux Kernels older than 5.4 this map type doesn't exist, but it can kind
@@ -909,15 +898,6 @@
         // Note: make sure to only check for unrecognized *after* verifying bpfloader
         // version limits include this bpfloader's version.
 
-        if ((isArm() && isKernel32Bit() && cs[i].prog_def->ignore_on_arm32) ||
-            (isArm() && isKernel64Bit() && cs[i].prog_def->ignore_on_aarch64) ||
-            (isX86() && isKernel32Bit() && cs[i].prog_def->ignore_on_x86_32) ||
-            (isX86() && isKernel64Bit() && cs[i].prog_def->ignore_on_x86_64) ||
-            (isRiscV() && cs[i].prog_def->ignore_on_riscv64)) {
-            ALOGD("cs[%d].name:%s is ignored on %s", i, name.c_str(), describeArch());
-            continue;
-        }
-
         if (unrecognized(pin_subdir)) return -ENOTDIR;
 
         if (specified(selinux_context)) {