patch 8.2.3961: error messages are spread out

Problem:    Error messages are spread out.
Solution:   Move more errors to errors.h.
diff --git a/src/globals.h b/src/globals.h
index 2341f2d..98ad710 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -1600,39 +1600,11 @@
 #endif
 
 /*
- * The error messages that can be shared are included here.
- * Excluded are errors that are only used once and debugging messages.
+ * Some error messages that can be shared are included here.
+ * They should be moved to errors.h.
  */
-EXTERN char e_abort[]		INIT(= N_("E470: Command aborted"));
-EXTERN char e_argreq[]		INIT(= N_("E471: Argument required"));
-#ifdef FEAT_EVAL
-EXTERN char e_catch[]		INIT(= N_("E603: :catch without :try"));
-EXTERN char e_finally[]		INIT(= N_("E606: :finally without :try"));
-EXTERN char e_finally_dup[]	INIT(= N_("E607: multiple :finally"));
-EXTERN char e_endtry[]		INIT(= N_("E600: Missing :endtry"));
-EXTERN char e_no_endtry[]	INIT(= N_("E602: :endtry without :try"));
-EXTERN char e_while[]		INIT(= N_("E588: :endwhile without :while"));
-EXTERN char e_for[]		INIT(= N_("E588: :endfor without :for"));
-#endif
-EXTERN char e_failed[]	INIT(= N_("E472: Command failed"));
-#if defined(FEAT_GUI) && defined(FEAT_XFONTSET)
-EXTERN char e_fontset[]	INIT(= N_("E234: Unknown fontset: %s"));
-#endif
-#if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) \
-	|| defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_HAIKU)
-EXTERN char e_font[]		INIT(= N_("E235: Unknown font: %s"));
-#endif
-#if defined(FEAT_GUI_X11) && !defined(FEAT_GUI_GTK)
-EXTERN char e_fontwidth[]	INIT(= N_("E236: Font \"%s\" is not fixed-width"));
-#endif
-EXTERN char e_internal[]	INIT(= N_("E473: Internal error"));
 EXTERN char e_intern2[]		INIT(= N_("E685: Internal error: %s"));
-EXTERN char e_interr[]		INIT(= N_("Interrupted"));
-EXTERN char e_invarg[]		INIT(= N_("E474: Invalid argument"));
-EXTERN char e_invarg2[]		INIT(= N_("E475: Invalid argument: %s"));
 EXTERN char e_duparg2[]		INIT(= N_("E983: Duplicate argument: %s"));
-EXTERN char e_invargval[]	INIT(= N_("E475: Invalid value for argument %s"));
-EXTERN char e_invargNval[]	INIT(= N_("E475: Invalid value for argument %s: %s"));
 #ifdef FEAT_SPELL
 EXTERN char e_no_spell[]	INIT(= N_("E756: Spell checking is not possible"));
 #endif