[hpx] no absolute paths (#21699)

ports/hpx/portfile.cmake

@@ -93,5 +93,6 @@ vcpkg_fixup_pkgconfig()
 
 vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/bin/hpxcxx" "\"${CURRENT_PACKAGES_DIR}\"" "os.path.dirname(os.path.dirname(os.path.realpath(__file__)))")
 vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/debug/bin/hpxcxx" "\"${CURRENT_PACKAGES_DIR}/debug\"" "os.path.dirname(os.path.dirname(os.path.realpath(__file__)))")
+file(REMOVE "${CURRENT_PACKAGES_DIR}/share/hpx/HPXCacheVariables.cmake")
 
 vcpkg_copy_pdbs()

ports/hpx/vcpkg.json

@@ -1,7 +1,7 @@
 {
   "name": "hpx",
   "version-semver": "1.7.1",
-  "port-version": 2,
+  "port-version": 3,
   "description": [
     "The C++ Standards Library for Concurrency and Parallelism",
     "HPX is a C++ Standards Library for Concurrency and Parallelism. It implements all of the corresponding facilities as defined by the C++ Standard. Additionally, in HPX we implement functionalities proposed as part of the ongoing C++ standardization process. We also extend the C++ Standard APIs to the distributed case."

versions/baseline.json

@@ -2698,7 +2698,7 @@
     },
     "hpx": {
       "baseline": "1.7.1",
-      "port-version": 2
+      "port-version": 3
     },
     "http-parser": {
       "baseline": "2.9.4",

versions/h-/hpx.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "ca0e813d228cd5ea6e5c05ae81e7e89e825783d0",
+      "version-semver": "1.7.1",
+      "port-version": 3
+    },
     {
       "git-tree": "e3376f2a4ca78e32a29511450453e154cdb08a2a",
       "version-semver": "1.7.1",