remove old files

security/OTPChecker.bstruct

@@ -1,8 +0,0 @@
-structure oc_table ("int num_entries") {
-    "uint16_t" id;
-    "struct OTPChecker_entry" entries["num_entries"];
-};
-
-structure oc_tables ("int num_tables, int num_entries") {
-    structure oc_table("num_entries") tables["num_tables"];
-};

tests/bstruct_test.bstruct

@@ -1,10 +0,0 @@
-structure str0 ("int n") {
-    "int" x["n"];
-};
-
-structure str1 ("int nb, int nc, int m") {
-    "int" a;
-    "char" b["nb"];
-    "double" c["nc"];
-    structure str0("m") d;
-};