Remove paths.cmake as it is no longer in use.

Also describe what OpenSSLConfig.cmake is for.

Change-Id: I326462588fbb363b75e93dc718b564fd6a6a6964
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/87047
Reviewed-by: Xiangfei Ding <xfding@google.com>
Commit-Queue: Rudolf Polzer <rpolzer@google.com>

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6bddfa2..c37bd80 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -30,7 +30,6 @@
 endif()
 
 include(cmake/go.cmake)
-include(cmake/paths.cmake)
 include(gen/sources.cmake)
 
 enable_language(C)

cmake/OpenSSLConfig.cmake

diff --git a/cmake/OpenSSLConfig.cmake b/cmake/OpenSSLConfig.cmake
index 2925a25..86632ac 100644
--- a/cmake/OpenSSLConfig.cmake
+++ b/cmake/OpenSSLConfig.cmake
@@ -12,6 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# CMake script to be installed so other programs or libraries can find BoringSSL
+# the same way as OpenSSL would normally be found. Mimics
+# exporters/cmake/OpenSSLConfig.cmake.in in OpenSSL.
+
 include(${CMAKE_CURRENT_LIST_DIR}/OpenSSLTargets.cmake)
 
 # Recursively collect dependency locations for the imported targets.

cmake/paths.cmake

diff --git a/cmake/paths.cmake b/cmake/paths.cmake
deleted file mode 100644
index c6285f9..0000000
--- a/cmake/paths.cmake
+++ /dev/null
@@ -1,25 +0,0 @@
-# Copyright 2023 The BoringSSL Authors
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     https://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# copy_post_build causes targets in ${ARGN} to be copied to
-# ${CMAKE_CURRENT_BINARY_DIR}/${dir} after being built.
-function(copy_post_build dir)
-  foreach(target ${ARGN})
-    add_custom_command(
-      TARGET ${target}
-      POST_BUILD
-      COMMAND ${CMAKE_COMMAND} -E make_directory "${CMAKE_CURRENT_BINARY_DIR}/${dir}"
-      COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:${target}> "${CMAKE_CURRENT_BINARY_DIR}/${dir}")
-  endforeach()
-endfunction()