Revert "feat: accept ETH_RPC_URL env as fork-url alias" (foundry-rs#11335)

Revert "feat: accept ETH_RPC_URL env as fork-url alias (foundry-rs#8972)"

This reverts commit 5314461.

Author: DaniPopes

.github/workflows/nextest.yml

@@ -47,6 +47,7 @@ jobs:
       fail-fast: false
       matrix: ${{ fromJson(needs.matrices.outputs.test-matrix) }}
     env:
+      ETH_RPC_URL: https://reth-ethereum.ithaca.xyz/rpc
       CARGO_PROFILE_DEV_DEBUG: 0
     steps:
       - uses: actions/checkout@v5

crates/anvil/src/cmd.rs

@@ -408,7 +408,6 @@ pub struct AnvilEvmArgs {
         long,
         short,
         visible_alias = "rpc-url",
-        env = "ETH_RPC_URL",
         value_name = "URL",
         help_heading = "Fork config"
     )]

crates/common/src/evm.rs

@@ -46,7 +46,7 @@ pub struct EvmArgs {
     /// Fetch state over a remote endpoint instead of starting from an empty state.
     ///
     /// If you want to fetch state from a specific block number, see --fork-block-number.
-    #[arg(long, short, visible_alias = "rpc-url", env = "ETH_RPC_URL", value_name = "URL")]
+    #[arg(long, short, visible_alias = "rpc-url", value_name = "URL")]
     #[serde(rename = "eth_rpc_url", skip_serializing_if = "Option::is_none")]
     pub fork_url: Option<String>,