Remove duplicate subparser

In Python 3.11 adding the same subparser twice will raise an exception.

res2df/res2csv.py

@@ -24,7 +24,7 @@
 CATEGORY: str = "utility.eclipse"
 EXAMPLES: str = """
 
-Outputting the EQUIL data from a .DATA file. This is implicitly 
+Outputting the EQUIL data from a .DATA file. This is implicitly
 supplied in ERT configs::
 
    FORWARD_MODEL RES2CSV(<SUBCOMMAND>=equil, <OUTPUT>=equil.csv)
@@ -176,16 +176,6 @@ def get_parser() -> argparse.ArgumentParser:
             "are empty and vice versa"
         ),
     )
-    subparsers_dict["fipreports"] = subparsers.add_parser(
-        "fipreports",
-        help=("Extract FIPxxxxx REPORT REGION data from PRT output file."),
-        formatter_class=argparse.ArgumentDefaultsHelpFormatter,
-        description=(
-            "Extract FIPxxxxx REPORT REGION data from PRT file. "
-            "This parses currently in-place, outflows to wells and regions, and "
-            "material balance errors"
-        ),
-    )
     subparsers_dict["compdat"] = subparsers.add_parser(
         "compdat",
         help="Extract COMPDAT data",