pldmtool: Remove redundent include of 'config.h'
The inclusion is redundant as it's forced on the compiler command-line.
We specify this in the build system with the following in meson.build:
```
add_project_arguments('-include', '@0@'.format(config), language: 'cpp')
```
Change-Id: Id3fb1ff26f4b001193d46d385bb3ad0a29dd6e1a
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>
diff --git a/pldmtool/pldm_cmd_helper.cpp b/pldmtool/pldm_cmd_helper.cpp
index 54475e8..510f6df 100644
--- a/pldmtool/pldm_cmd_helper.cpp
+++ b/pldmtool/pldm_cmd_helper.cpp
@@ -1,5 +1,3 @@
-#include "config.h"
-
#include "pldm_cmd_helper.hpp"
#include "xyz/openbmc_project/Common/error.hpp"