EDAC, ghes: Remove symbol exports

They're called from builtin code so no need for the exports.
Signed-off-by: Borislav Petkov <bp@suse.de>

drivers/edac/ghes_edac.c

@@ -401,7 +401,6 @@ void ghes_edac_report_mem_error(struct ghes *ghes, int sev,
 	/* Report the error via EDAC API */
 	edac_raw_mc_handle_error(type, mci, e);
 }
-EXPORT_SYMBOL_GPL(ghes_edac_report_mem_error);
 
 int ghes_edac_register(struct ghes *ghes, struct device *dev)
 {
@@ -505,7 +504,6 @@ int ghes_edac_register(struct ghes *ghes, struct device *dev)
 	mutex_unlock(&ghes_edac_lock);
 	return 0;
 }
-EXPORT_SYMBOL_GPL(ghes_edac_register);
 
 void ghes_edac_unregister(struct ghes *ghes)
 {
@@ -521,4 +519,3 @@ void ghes_edac_unregister(struct ghes *ghes)
 		}
 	}
 }
-EXPORT_SYMBOL_GPL(ghes_edac_unregister);