Remove references to deprecated Kovan testnet (#2635)

* Remove references to the deprecated Kovan testnet * Add newsfragment
ethereum · Sep 9, 2022 · 845bce4 · 845bce4
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commit 845bce4
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diff --git a/docs/ethpm.rst b/docs/ethpm.rst
@@ -237,7 +237,6 @@ way through the EIP process)
   - 3: Ropsten
   - 4: Rinkeby
   - 5: Goerli
-  - 42: Kovan
 
 -  ``package-name``: Must conform to the package-name as specified in
    the

diff --git a/docs/node.rst b/docs/node.rst
@@ -99,8 +99,8 @@ However, spam and mining attacks have happened,
 which is disruptive when you want to test out a contract.
 
 There are some alternative networks that limit the damage of spam attacks, but
-they are not standardized across node software. Geth runs their own (Rinkeby),
-and Parity runs their own (Kovan). See a full comparison in this `Stackexchange Q&A
+they are not standardized across node software. Geth runs their own (Rinkeby).
+See a full comparison in this `Stackexchange Q&A
 <https://ethereum.stackexchange.com/a/30072/1461>`_.
 
 So roughly, choose this way:

diff --git a/ethpm/constants.py b/ethpm/constants.py
@@ -15,5 +15,4 @@
     3: "ropsten",
     4: "rinkeby",
     5: "goerli",
-    42: "kovan",
 }
diff --git a/ethpm/validation/uri.py b/ethpm/validation/uri.py
@@ -103,7 +103,7 @@ def validate_registry_uri_authority(auth: str) -> None:
     if not is_supported_chain_id(to_int(text=chain_id)):
         raise EthPMValidationError(
             f"Chain ID: {chain_id} is not supported. Supported chain ids include: "
-            "1 (mainnet), 3 (ropsten), 4 (rinkeby), 5 (goerli) and 42 (kovan). "
+            "1 (mainnet), 3 (ropsten), 4 (rinkeby), and 5 (goerli)"
             "Please try again with a valid registry URI."
         )
 

diff --git a/newsfragments/2635.breaking-change.rst b/newsfragments/2635.breaking-change.rst
@@ -0,0 +1 @@
+Remove Kovan auto provider
diff --git a/tests/ethpm/_utils/test_chain_utils.py b/tests/ethpm/_utils/test_chain_utils.py
@@ -49,7 +49,6 @@ def test_parse_BIP122_uri(value, expected_resource_type):
         (3, True),
         (4, True),
         (5, True),
-        (42, True),
         (2, False),
         ("1", False),
         ({}, False),

diff --git a/web3/auto/infura/endpoints.py b/web3/auto/infura/endpoints.py
@@ -20,7 +20,6 @@
 INFURA_ROPSTEN_DOMAIN = "ropsten.infura.io"
 INFURA_GOERLI_DOMAIN = "goerli.infura.io"
 INFURA_RINKEBY_DOMAIN = "rinkeby.infura.io"
-INFURA_KOVAN_DOMAIN = "kovan.infura.io"
 
 WEBSOCKET_SCHEME = "wss"
 HTTP_SCHEME = "https"

diff --git a/web3/auto/infura/kovan.py b/web3/auto/infura/kovan.py