Remove legacy test option and obsolete build helpers

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## Unreleased
+
+- Consolidate all regression coverage under `KDTREEPP_BUILD_TESTS`; remove the separate Catch2 2.x suite and unused Conan 1/Eigen find modules.
+- Replace temporary release-branch wording in the README with installation guidance.
+
+
 ## 2.0.0 (release candidate)
 
 - Provide a Bzlmod library target with transitive Eigen and independent consumer checks.

CMakeLists.txt

@@ -12,22 +12,15 @@ target_include_directories(kdtreepp INTERFACE
   $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
 target_link_libraries(kdtreepp INTERFACE Eigen3::Eigen)
 option(KDTREEPP_BUILD_TESTS "Build regression tests" OFF)
-option(KDTREEPP_BUILD_LEGACY_TESTS "Build Catch2 2.x tests" OFF)
 option(KDTREEPP_BUILD_BENCHMARKS "Build Google Benchmark benchmarks" OFF)
-if(KDTREEPP_BUILD_TESTS OR KDTREEPP_BUILD_LEGACY_TESTS)
+if(KDTREEPP_BUILD_TESTS)
   enable_testing()
 endif()
 if(KDTREEPP_BUILD_TESTS)
   add_executable(kdtreepp-regression test/regression.cpp)
   target_link_libraries(kdtreepp-regression PRIVATE kdtreepp::kdtreepp)
   add_test(NAME kdtreepp-regression COMMAND kdtreepp-regression)
 endif()
-if(KDTREEPP_BUILD_LEGACY_TESTS)
-  find_package(Catch2 2 REQUIRED)
-  add_executable(unit-tests test/test.cpp)
-  target_link_libraries(unit-tests PRIVATE kdtreepp::kdtreepp Catch2::Catch2)
-  add_test(NAME unit-tests COMMAND unit-tests)
-endif()
 if(KDTREEPP_BUILD_BENCHMARKS)
   find_package(benchmark REQUIRED)
   add_executable(bench-tests bench/run.cpp)

README.md

@@ -59,7 +59,7 @@ For custom objects, return an Eigen point from the sort accessor and a point or
 
 ## Bazel / Bzlmod
 
-The 2.0.0 build integration is prepared in this branch and is not yet registered in the Bazel Central Registry. Start with a local checkout in your monorepo:
+Use Bzlmod to consume a local checkout in your monorepo. This example does not require a Bazel Central Registry entry:
 
 ```starlark
 # MODULE.bazel
@@ -125,7 +125,7 @@ ctest --test-dir build --output-on-failure
 
 Regression tests compare nearest-neighbor results with brute force, including empty, singleton, duplicate and boundary-sized inputs. CI also checks sanitizers, installed CMake consumers, Conan, Make targets and a checksum-verified archive consumed through a temporary Bazel registry.
 
-Enable `KDTREEPP_BUILD_LEGACY_TESTS` with Catch2 2.x installed for the original suite, or `KDTREEPP_BUILD_BENCHMARKS` with Google Benchmark installed. [RELEASING.md](RELEASING.md) documents Make, coverage and release commands; [CHANGELOG.md](CHANGELOG.md) describes the version 2 build migration. No general performance improvement is claimed by that migration.
+The standard regression suite also covers version reporting, spatial pruning, region queries, and in-place visitor mutation; no separate test framework is required. Enable `KDTREEPP_BUILD_BENCHMARKS` with Google Benchmark installed to run benchmarks. [RELEASING.md](RELEASING.md) documents Make, coverage and release commands; [CHANGELOG.md](CHANGELOG.md) describes the version 2 build migration. No general performance improvement is claimed by that migration.
 
 ## License