cosmetic: remove excess linebreaks

We should not use double-line breaks to separate things as it is very
difficult to maintain consistence with that scheme.

pySim/global_platform/__init__.py

@@ -460,7 +460,6 @@ def decode_select_response(resp_hex: str) -> object:
 # 11.4.2.1
 StatusSubset = Enum(Byte, isd=0x80, applications=0x40, files=0x20, files_and_modules=0x10)
 
-
 # Section 11.4.3.1 Table 11-36
 class LifeCycleState(BER_TLV_IE, tag=0x9f70):
     _construct = CLifeCycleState
@@ -1010,7 +1009,6 @@ class ADF_SD(CardADF):
             self._cmd.lchan.scc.scp = None
             self._cmd.update_prompt()
 
-
 # Card Application of a Security Domain
 class CardApplicationSD(CardApplication):
     __intermediate = True
@@ -1048,7 +1046,6 @@ class GpCardKeyset:
         return "%s(KVN=%u, ENC=%s, MAC=%s, DEK=%s)" % (self.__class__.__name__,
                 self.kvn, b2h(self.enc), b2h(self.mac), b2h(self.dek))
 
-
 def compute_kcv_des(key:bytes) -> bytes:
     # GP Card Spec B.6: For a DES key, the key check value is computed by encrypting 8 bytes, each with
     # value '00', with the key to be checked and retaining the 3 highest-order bytes of the encrypted