Remove ERC20Snapshot

OpenZeppelin · frangio · May 26, 2023 · May 24, 2023 · May 24, 2023 · May 24, 2023
commit 642044441218b97910359481398939b069641ea4
diff --git a/.changeset/ninety-ghosts-check.md b/.changeset/ninety-ghosts-check.md
@@ -0,0 +1,5 @@
+---
+'openzeppelin-solidity': major
+---
+
+`ERC20Snapshot`: removed.
diff --git a/contracts/token/ERC20/README.adoc b/contracts/token/ERC20/README.adoc
@@ -18,7 +18,6 @@ Additionally there are multiple custom extensions, including:
 * {ERC20Burnable}: destruction of own tokens.
 * {ERC20Capped}: enforcement of a cap to the total supply when minting tokens.
 * {ERC20Pausable}: ability to pause token transfers.
-* {ERC20Snapshot}: efficient storage of past token balances to be later queried at any point in time.
 * {ERC20Permit}: gasless approval of tokens (standardized as ERC2612).
 * {ERC20FlashMint}: token level support for flash loans through the minting and burning of ephemeral tokens (standardized as ERC3156).
 * {ERC20Votes}: support for voting and vote delegation.
@@ -54,8 +53,6 @@ NOTE: This core set of contracts is designed to be unopinionated, allowing devel
 
 {{ERC20Permit}}
 
-{{ERC20Snapshot}}
-
 {{ERC20Votes}}
 
 {{ERC20VotesComp}}

diff --git a/contracts/token/ERC20/extensions/ERC20Snapshot.sol b/contracts/token/ERC20/extensions/ERC20Snapshot.sol