remove dynamic_memory option in Layer

this option has many implicit assumptions that cannot be changed
easily and options that are set are especially brittle regarding
condor versions and/or cluster configurations

ezdag/layers.py

@@ -35,10 +35,6 @@ class Layer:
     transfer_files
         Whether to leverage Condor file transfer for moving around
         files. On by default.
-    dynamic_memory
-        Whether to dynamically increase memory request if jobs are
-        put on hold due to going over memory requested.
-        Off by default.
     submit_description
         The submit descriptors representing this set of jobs.
     requirements
@@ -59,7 +55,6 @@ class Layer:
     log_dir: str = "logs"
     retries: int = 3
     transfer_files: bool = True
-    dynamic_memory: bool = False
     requirements: dict = field(default_factory=dict)
     submit_description: Union[dict, htcondor.Submit] = field(default_factory=dict)
     nodes: list = field(default_factory=list)
@@ -267,22 +262,6 @@ class Layer:
         # extra boilerplate submit opts
         submit["notification"] = "never"
 
-        # set dynamic memory opts if requested
-        if self.dynamic_memory:
-            base_memory = submit["request_memory"]
-            submit["+MemoryUsage"] = f"( {base_memory} )"
-            submit["request_memory"] = "( MemoryUsage ) * 3 / 2"
-            hold_condition = (
-                "((CurrentTime - EnteredCurrentStatus > 180)"
-                " && (HoldReasonCode != 34))"
-            )
-            submit["periodic_release"] = " || ".join(
-                [
-                    submit["periodic_release"],
-                    hold_condition,
-                ]
-            )
-
         return htcondor.Submit(submit)