depends, libevent: Do not install *.pc files and remove patches for them

depends/patches/libevent/cmake_fixups.patch

@@ -1,8 +1,5 @@
 cmake: set minimum version to 3.5
 
-Fix generated pkg-config files, see
-https://github.com/libevent/libevent/pull/1165.
-
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
 @@ -19,7 +19,7 @@
@@ -14,22 +11,3 @@ https://github.com/libevent/libevent/pull/1165.
  
  if (POLICY CMP0054)
      cmake_policy(SET CMP0054 NEW)
-diff --git a/cmake/AddEventLibrary.cmake b/cmake/AddEventLibrary.cmake
-index 04f5837e..d8ea42c4 100644
---- a/cmake/AddEventLibrary.cmake
-+++ b/cmake/AddEventLibrary.cmake
-@@ -20,12 +20,12 @@ macro(generate_pkgconfig LIB_NAME)
- 
-     set(LIBS         "")
-     foreach (LIB ${LIB_PLATFORM})
--        set(LIBS "${LIBS} -L${LIB}")
-+        set(LIBS "${LIBS} -l${LIB}")
-     endforeach()
- 
-     set(OPENSSL_LIBS "")
-     foreach(LIB ${OPENSSL_LIBRARIES})
--        set(OPENSSL_LIBS "${OPENSSL_LIBS} -L${LIB}")
-+        set(OPENSSL_LIBS "${OPENSSL_LIBS} -l${LIB}")
-     endforeach()
- 
-     configure_file("lib${LIB_NAME}.pc.in" "lib${LIB_NAME}.pc" @ONLY)

depends/patches/libevent/fix_mingw_link.patch

@@ -1,25 +0,0 @@
-commit d108099913c5fdbe518f3f4d711f248f8522bd10
-Author: Hennadii Stepanov <32963518+hebasto@users.noreply.github.com>
-Date:   Mon Apr 22 06:39:35 2024 +0100
-
-    build: Add `Iphlpapi` to `Libs.private` in `*.pc` files on Windows
-    
-    It has been required since https://github.com/libevent/libevent/pull/923
-    at least for the `if_nametoindex` call.
-
-    See https://github.com/libevent/libevent/pull/1622.
-
-
-diff --git a/configure.ac b/configure.ac
-index d00e063a..cd1fce37 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -906,7 +906,7 @@ if(WIN32)
-     list(APPEND HDR_PRIVATE WIN32-Code/getopt.h)
- 
-     set(EVENT__DNS_USE_FTIME_FOR_ID 1)
--    set(LIB_PLATFORM ws2_32 shell32 advapi32)
-+    set(LIB_PLATFORM ws2_32 shell32 advapi32 iphlpapi)
-     add_definitions(
-             -D_CRT_SECURE_NO_WARNINGS
-             -D_CRT_NONSTDC_NO_DEPRECATE)