[skip ci]Tidy gitignore (#8971)

Signed-off-by: Yang Xuan <xuan.yang@zilliz.com>

.gitignore

@@ -1,7 +1,14 @@
 # CLion generated files
+
+# This can ignore
+#   cmake-build-debug/
+#   proxy/cmake-build-debug/
+#   a/b/c/cmake-build-debug/
 **/cmake-build-debug/*
-**/cmake_build/*
 **/cmake-build-release/*
+**/cmake_build_release/*
+**/cmake_build/*
+
 internal/core/output/*
 internal/core/build/*
 internal/kv/rocksdb/cwrapper/output/*
@@ -14,10 +21,6 @@ internal/msgstream/pulsarms/client-cpp/build/*
 docker-compose-devcontainer.yml
 docker-compose-devcontainer.yml.tmp
 
-cmake-build-debug
-cmake-build-release
-cmake_build
-
 *.code-workspace
 
 # Docker generated cache file
@@ -27,10 +30,6 @@ cmake_build
 
 # proxy
 proxy/milvus
-proxy/cmake_build
-proxy/cmake-build-debug
-proxy/cmake-build-release
-proxy/cmake_build_release
 proxy/thirdparty/grpc-src
 proxy/thirdparty/grpc-build
 proxy/milvus/*
@@ -39,16 +38,9 @@ proxy/suvlim/*
 
 proxy-go/proxy-go
 
-# sdk
-sdk/cmake_build
-sdk/cmake-build-debug
-sdk/cmake-build-release
-sdk/cmake_build_release
-
 # Compiled source
 bin/
 lib/
-cmake_build/
 *.a
 *.so
 *.so.*