Don't install debug plugins and don't populate unused "plugins.files" file.

cmake/plugin.cmake

@@ -211,15 +211,7 @@ MACRO(MYSQL_ADD_PLUGIN)
       SET(ARG_COMPONENT Server)
     ENDIF()
     MYSQL_INSTALL_TARGETS(${target} DESTINATION ${INSTALL_PLUGINDIR} COMPONENT ${ARG_COMPONENT})
-    INSTALL_DEBUG_TARGET(${target} DESTINATION ${INSTALL_PLUGINDIR}/debug COMPONENT ${ARG_COMPONENT})
-    # Add installed files to list for RPMs
-    FILE(APPEND ${CMAKE_BINARY_DIR}/support-files/plugins.files
-            "%attr(755, root, root) %{_prefix}/${INSTALL_PLUGINDIR}/${ARG_MODULE_OUTPUT_NAME}.so\n"
-            "%attr(755, root, root) %{_prefix}/${INSTALL_PLUGINDIR}/debug/${ARG_MODULE_OUTPUT_NAME}.so\n")
-    # For internal testing in PB2, append collections files
-    IF(DEFINED ENV{PB2WORKDIR})
-      PLUGIN_APPEND_COLLECTIONS(${plugin})
-    ENDIF()
+    #INSTALL_DEBUG_TARGET(${target} DESTINATION ${INSTALL_PLUGINDIR}/debug COMPONENT ${ARG_COMPONENT})
   ELSE()
     IF(WITHOUT_${plugin})
       # Update cache variable