move cmake config files to /cmake

CMakeLists.txt

@@ -14523,7 +14523,7 @@ if (gRPC_INSTALL)
 endif()
 
 foreach(_config gRPCConfig gRPCConfigVersion)
-  configure_file(tools/cmake/${_config}.cmake.in
+  configure_file(cmake/${_config}.cmake.in
     ${_config}.cmake @ONLY)
   install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${_config}.cmake
     DESTINATION ${gRPC_INSTALL_CMAKEDIR}

templates/CMakeLists.txt.template

@@ -634,7 +634,7 @@
   endif()
 
   foreach(_config gRPCConfig gRPCConfigVersion)
-    configure_file(tools/cmake/<%text>${_config}</%text>.cmake.in
+    configure_file(cmake/<%text>${_config}</%text>.cmake.in
       <%text>${_config}</%text>.cmake @ONLY)
     install(FILES <%text>${CMAKE_CURRENT_BINARY_DIR}/${_config}</%text>.cmake
       DESTINATION <%text>${gRPC_INSTALL_CMAKEDIR}</%text>