Explain that we're back on upstream, remove from install_buildtools

Author: jannotti

daemon/algod/api/README.md

@@ -43,9 +43,11 @@ containing per-round ledger differences that get compacted when actually written
 
 ## What codegen tool is used?
 
-We found that [oapi-codegen](https://github.com/deepmap/oapi-codegen) produced the cleanest code, and had an easy to work with codebase. There is an algorand fork of this project which contains a couple modifications that were needed to properly support our needs.
-
-Specifically, `uint64` types aren't strictly supported by OpenAPI. So we added a type-mapping feature to oapi-codegen.
+We found that [oapi-codegen](https://github.com/deepmap/oapi-codegen)
+produced the cleanest code, and had an easy to work with codebase. We
+initially forked it in `algorand/oapi-codegen` but found that features
+we added are now available in the upstream repo, so have migrated
+back.
 
 ## Why do we have algod.oas2.json and algod.oas3.yml?
 

scripts/buildtools/install_buildtools.sh

@@ -91,5 +91,4 @@ install_go_module golang.org/x/tools golang.org/x/tools/cmd/stringer
 install_go_module github.com/go-swagger/go-swagger github.com/go-swagger/go-swagger/cmd/swagger
 install_go_module github.com/algorand/msgp
 install_go_module gotest.tools/gotestsum
-install_go_module github.com/oapi-codegen/oapi-codegen github.com/oapi-codegen/oapi-codegen/v2/cmd/oapi-codegen
 install_go_module github.com/golangci/golangci-lint/cmd/golangci-lint

scripts/buildtools/versions

@@ -1,7 +1,6 @@
 golang.org/x/lint v0.0.0-20241112194109-818c5a804067
 golang.org/x/tools v0.27.0
 github.com/algorand/msgp v1.1.60
-github.com/oapi-codegen/oapi-codegen v2.4.1
 github.com/go-swagger/go-swagger v0.31.0
 gotest.tools/gotestsum v1.12.0
 github.com/golangci/golangci-lint/cmd/golangci-lint v1.62.0

scripts/check_deps.sh

@@ -37,7 +37,6 @@ missing_dep() {
 GO_DEPS=(
     "msgp"
     "golangci-lint"
-    "oapi-codegen"
     "swagger"
 )