Remove duplicated checking

api/s2_junctions.py

@@ -153,10 +153,6 @@ def inp_in_junction(section: list[str]) -> ChangeSet:
 
 
 def inp_in_junction_new(name: str, line: str) -> None:
-    # skip comment
-    if line.startswith(';'):
-        return
-
     tokens = line.split()
 
     num = len(tokens)

api/s3_reservoirs.py

@@ -146,10 +146,6 @@ def inp_in_reservoir(section: list[str]) -> ChangeSet:
 
 
 def inp_in_reservoir_new(name: str, line: str) -> None:
-    # skip comment
-    if line.startswith(';'):
-        return
-
     tokens = line.split()
 
     num = len(tokens)

api/s4_tanks.py

@@ -188,10 +188,6 @@ def inp_in_tank(section: list[str]) -> ChangeSet:
 
 
 def inp_in_tank_new(name: str, line: str) -> None:
-    # skip comment
-    if line.startswith(';'):
-        return
-
     tokens = line.split()
 
     num = len(tokens)