patch 8.1.1887: the +cmdline_compl feature is not in the tiny version

Problem:    The +cmdline_compl feature is not in the tiny version.
Solution:   Graduate the +cmdline_compl feature.
diff --git a/src/feature.h b/src/feature.h
index a8ae376..1c5128a 100644
--- a/src/feature.h
+++ b/src/feature.h
@@ -105,6 +105,7 @@
  * +virtualedit		'virtualedit' option and its implementation
  * +user_commands	Allow the user to define his own commands.
  * +multi_byte		Generic multi-byte character handling.
+ * +cmdline_compl	completion of mappings/abbreviations in cmdline mode.
  *
  * Obsolete:
  * +tag_old_static	Old style static tags: "file:tag  file  ..".
@@ -177,14 +178,6 @@
 # define FEAT_INS_EXPAND
 #endif
 
-/*
- * +cmdline_compl	completion of mappings/abbreviations in cmdline mode.
- *			Takes a few Kbyte of code.
- */
-#ifdef FEAT_NORMAL
-# define FEAT_CMDL_COMPL
-#endif
-
 #ifdef FEAT_NORMAL
 # define VIM_BACKTICK		/* internal backtick expansion */
 #endif