Help: Drop mention of cmake -i wizard mode

The parent commit removed support for this mode, so do not mention
it in the documentation.

Help/manual/cmake.1.rst

@@ -14,8 +14,7 @@ Description
 
 The "cmake" executable is the CMake command-line interface.  It may be
 used to configure projects in scripts.  Project configuration settings
-may be specified on the command line with the -D option.  The -i
-option will cause cmake to interactively prompt for such settings.
+may be specified on the command line with the -D option.
 
 CMake is a cross-platform build system generator.  Projects specify
 their build process with platform-independent CMake listfiles included

Help/variable/CMAKE_EDIT_COMMAND.rst

@@ -4,4 +4,4 @@ CMAKE_EDIT_COMMAND
 Full path to cmake-gui or ccmake.
 
 This is the full path to the CMake executable that can graphically
-edit the cache.  For example, cmake-gui, ccmake, or cmake -i.
+edit the cache.  For example, cmake-gui or ccmake.