revert: remove passoc support on Windows.

- remove passoc executable support on Windows.
- but preserve the icons created by upstream for future expanding.

CMakeLists.txt

@@ -271,12 +271,6 @@ if (DEFINED QM_FILE_INSTALL_DIR)
 endif()
 
 if (WIN32)
-    install(
-        FILES dist/passoc/ppic.pacfg
-        DESTINATION ${CMAKE_INSTALL_BINDIR}
-        RENAME default-assoc.pacfg
-    )
-
     install(
         FILES
             dist/passoc/generic.ico