Remove Plutus SRP, update CHaP index

Author: ana-pantilie

cabal.project

@@ -14,7 +14,7 @@ repository cardano-haskell-packages
 -- you need to run if you change them
 index-state:
   , hackage.haskell.org 2025-09-11T01:58:40Z
-  , cardano-haskell-packages 2025-09-30T09:59:24Z
+  , cardano-haskell-packages 2025-10-20T10:49:20Z
 
 packages:
     cardano-api
@@ -176,16 +176,4 @@ if arch(wasm32)
 
 -- IMPORTANT
 -- Do NOT add more source-repository-package stanzas here unless they are strictly
--- temporary! Please read the section in CONTRIBUTING about updating dependencies.
-
-source-repository-package
-  type: git
-  location: https://github.com/IntersectMBO/plutus.git
-  -- Candidate for Plutus release 1.53.1.0
-  tag: 549399f1b3d77f75d9fe6b2e2fbd0a5f1c3b0829
-  --sha256: sha256-4vSqK+3QJanTUBEQDLMFRn2N2VjAZzjWNQXMSbv6L4s=
-  subdir:
-    plutus-core
-    plutus-ledger-api
-    plutus-tx
-    plutus-tx-plugin
+-- temporary! Please read the section in CONTRIBUTING about updating dependencies.