[#57] Delete old function

vng_api_common/validators.py

@@ -156,37 +156,6 @@ def validate_non_negative_string(value):
         raise ValidationError("De waarde moet een niet-negatief getal zijn.")
 
 
-validate_digits = RegexValidator(
-    regex="^[0-9]+$", message="Waarde moet numeriek zijn.", code="only-digits"
-)
-
-
-def validate_rsin(value):
-    """
-    Validates that a string value is a valid RSIN number by applying the
-    '11-proef' checking.
-
-    :param value: String object representing a presumably good RSIN number.
-    """
-    # Initial sanity checks.
-    validate_digits(value)
-    if len(value) != RSIN_LENGTH:
-        raise ValidationError(
-            "RSIN moet %s tekens lang zijn." % RSIN_LENGTH, code="invalid-length"
-        )
-
-    # 11-proef check.
-    total = 0
-    for multiplier, char in enumerate(reversed(value), start=1):
-        if multiplier == 1:
-            total += -multiplier * int(char)
-        else:
-            total += multiplier * int(char)
-
-    if total % 11 != 0:
-        raise ValidationError("Onjuist RSIN nummer.", code="invalid")
-
-
 class URLValidator:
     """
     Validate that the URL actually resolves to a HTTP 200