Removed irrelevant changes

Author: sungeunbae

qcore/configs/machine_local.json

@@ -1,5 +1,4 @@
 {
-    "GMT_DATA" : "/Users/sungbae/PlottingData",
     "tools_dir" : "/nesi/project/nesi00213/tools",
     "cores_per_node" : 1,
     "MAX_NODES_PER_JOB" : 1,

qcore/im.py

@@ -139,7 +139,7 @@ def get_im_name(self):
         if self.period:
             return f"{self.name}_{self.period}"
         else:
-            return f"{self.name}"
+            return self.name
 
     def pretty_im_name(self):
         """