chore(repo): remove C# binding, dead README, public ROADMAP

.gitignore

@@ -19,6 +19,7 @@ build-android.cross.txt
 
 # agent working notes (audits, status, scratch design) — not product docs
 .agents/
+.agent/
 
 # prototype build artifact
 lab/lsm/test_adaptive

README.md

@@ -59,11 +59,11 @@ for full provenance and the per-version index.
   reclaimed while it still held SIREAD markers) was found with TSan/ASan and
   fixed, and a multi-process concurrent-writer stress test (`ssi009`) guards
   against regression. **Still experimental** in that page-granularity conflict
-  tracking can raise abort rates under contention (measured by
-  `lab/bench/ssi_abort_bench`), and the HA/replication qualification is still
-  being built. This is the *first* of the planned features in
-  [`ROADMAP.md`](ROADMAP.md), which targets matching or beating InnoDB and
-  WiredTiger on multicore/NUMA scalability and performance.
+  tracking can raise abort rates under contention (measured by the
+  microbenchmark suite under `test/bench`), and the HA/replication
+  qualification is still being built. Planned performance work is tracked as
+  design proposals under [`rfc/`](rfc/), targeting matching or beating InnoDB
+  and WiredTiger on multicore/NUMA scalability and performance.
 
 ## Building
 

dist/Makefile.in

@@ -1186,7 +1186,7 @@ uninstall_utilities:
 
 # We install csharp docs even on UNIX so we don't have a 
 # broken link on the landing page.
-DOCLIST=api_reference articles bdb-sql collections csharp \
+DOCLIST=api_reference articles bdb-sql collections \
 	gsg gsg_db_rep gsg_txn index.html installation java \
 	license porting programmer_reference upgrading
 

dist/s_all

@@ -19,7 +19,6 @@ sh s_php                # PHP config files
 sh s_include		# standard include files.
 
 sh s_java		# Java support.
-sh s_csharp		# Csharp support.
 sh s_test		# Test suite support.
 #sh s_tags		# Tags files.