tools: Add IDA script to get rid of function tails

tools/ida_remove_function_tails.py

@@ -0,0 +1,12 @@
+import idaapi
+
+for i in range(idaapi.get_fchunk_qty()):
+    chunk = idaapi.getn_fchunk(i)
+    if not idaapi.is_func_tail(chunk):
+        continue
+
+    ea = chunk.start_ea
+    print("removing tail 0x%016x" % ea)
+    parent = idaapi.get_func(ea)
+    idaapi.remove_func_tail(parent, ea)
+    idaapi.add_func(ea)