Remove CONFIGURATIONS Release from install() so the library and tools
are installed regardless of the cmake build type (e.g. RelWithDebInfo).

--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -258,7 +258,6 @@
 install(
   TARGETS marisa
   EXPORT MarisaTargets
-  CONFIGURATIONS Release
   DESTINATION ${LIB_INSTALL_DIR}
   COMPONENT Library
 )
@@ -272,7 +271,6 @@
 if(ENABLE_TOOLS)
   install(
     TARGETS ${MARISA_TOOLS}
-    CONFIGURATIONS Release
     COMPONENT Binaries
   )
 endif()