[resources][processconfig] simplify _check_dump_file as pipeline/save_steps always exists

nabu/resources/processconfig.py

@@ -582,8 +582,9 @@ class ProcessConfig:
         sections_to_ignore = ["reconstruction", "output"]
         for section in sections_to_ignore:
             filedump_nabu_config[section] = self.nabu_config[section]
-        if "pipeline" in filedump_nabu_config and "save_steps" in filedump_nabu_config["pipeline"]:
-            filedump_nabu_config["pipeline"]["save_steps"] = self.nabu_config["pipeline"]["save_steps"]
+        # special case of the "save_steps process"
+        filedump_nabu_config["pipeline"]["save_steps"] = self.nabu_config["pipeline"]["save_steps"]
+
         filedump_nabu_config[section] = self.nabu_config[section]
         diff = compare_dicts(filedump_nabu_config, self.nabu_config)
         if diff is not None: