Revert "trappy: Speed up trappy parsing by 20% by skipping regex sub"

This reverts commit c9243e261fb37be1b1149ae6d111e18745b75959.
diff --git a/trappy/ftrace.py b/trappy/ftrace.py
index 07e01c7..4bd0ae0 100644
--- a/trappy/ftrace.py
+++ b/trappy/ftrace.py
@@ -215,8 +215,7 @@
                 return
 
             # Remove empty arrays from the trace
-            if "={}" in data_str:
-                data_str = re.sub(r"[A-Za-z0-9_]+=\{\} ", r"", data_str)
+            data_str = re.sub(r"[A-Za-z0-9_]+=\{\} ", r"", data_str)
 
             trace_class.append_data(timestamp, comm, pid, cpu, self.lines, data_str)
             self.lines += 1