Housekeeping: remove no more in use options.

CMakeLists.txt

@@ -317,10 +317,6 @@ if( KICAD_SPICE )
     add_definitions( -DKICAD_SPICE )
 endif()
 
-if( KICAD_USE_SCH_IO_MANAGER )
-    add_definitions( -DKICAD_USE_SCH_IO_MANAGER )
-endif()
-
 if( KICAD_USE_OCE )
     add_definitions( -DKICAD_USE_OCE )
 endif()

CMakeModules/config.h.cmake

@@ -53,8 +53,6 @@
 // Warning!!!  Using wxGraphicContext for rendering is experimental.
 #cmakedefine USE_WX_GRAPHICS_CONTEXT    1
 
-#cmakedefine USE_IMAGES_IN_MENUS        1
-
 /// The legacy file format revision of the *.brd file created by this build
 #define LEGACY_BOARD_FILE_VERSION       2
 
@@ -69,9 +67,6 @@
 /// When defined, build the GITHUB_PLUGIN for pcbnew.
 #cmakedefine BUILD_GITHUB_PLUGIN
 
-/// When defined, Eeschema is built with I/O manager plugin.
-#cmakedefine USE_SCH_IO_MANAGER
-
 /// A file extension with a leading '.' is a suffix, and this one is used on
 /// top level program modules which implement the KIFACE.
 #define KIFACE_SUFFIX                   "@KIFACE_SUFFIX@"