Make the monkey ledger optional

requirements.in

@@ -2,7 +2,7 @@ eth-ape
 ape-vyper
 ape-alchemy
 ape-hardhat
-ape-ledger
+ape-ledger[ledger]
 black
 flake8
 isort

requirements.txt

@@ -12,8 +12,6 @@ ape-alchemy==0.5.0
     # via -r requirements.in
 ape-hardhat==0.5.0
     # via -r requirements.in
-ape-ledger==0.5.0
-    # via -r requirements.in
 ape-vyper==0.5.0
     # via -r requirements.in
 async-timeout==4.0.2
@@ -54,7 +52,6 @@ charset-normalizer==2.1.1
     #   requests
 click==8.1.3
     # via
-    #   ape-ledger
     #   black
     #   eth-ape
     #   pip-tools
@@ -81,7 +78,6 @@ eth-abi==3.0.1
     #   web3
 eth-account==0.7.0
     # via
-    #   ape-ledger
     #   eth-ape
     #   eth-tester
     #   web3
@@ -90,7 +86,6 @@ eth-ape==0.5.2
     #   -r requirements.in
     #   ape-alchemy
     #   ape-hardhat
-    #   ape-ledger
     #   ape-vyper
 eth-bloom==1.0.4
     # via py-evm
@@ -118,7 +113,6 @@ eth-tester[py-evm]==0.7.0b1
     #   web3
 eth-typing==3.2.0
     # via
-    #   ape-ledger
     #   eip712
     #   eth-abi
     #   eth-ape
@@ -129,7 +123,6 @@ eth-typing==3.2.0
     #   web3
 eth-utils==2.0.0
     # via
-    #   ape-ledger
     #   eip712
     #   eth-abi
     #   eth-account
@@ -166,7 +159,6 @@ greenlet==3.0.1
 hexbytes==0.3.0
     # via
     #   ape-hardhat
-    #   ape-ledger
     #   eip712
     #   eth-account
     #   eth-ape
@@ -175,8 +167,6 @@ hexbytes==0.3.0
     #   evm-trace
     #   trie
     #   web3
-hidapi==0.10.1
-    # via ape-ledger
 identify==2.5.6
     # via pre-commit
 idna==3.4
@@ -187,7 +177,6 @@ ijson==3.1.4
     # via eth-ape
 importlib-metadata==5.0.0
     # via
-    #   ape-ledger
     #   eth-ape
 iniconfig==1.1.1
     # via pytest
@@ -354,7 +343,6 @@ rich==12.6.0
     #   eth-ape
 rlp==3.0.0
     # via
-    #   ape-ledger
     #   eth-account
     #   eth-rlp
     #   eth-tester