Revert "doc: add note about constants in lua, fix lua example (scripting guide)"

This reverts commit fad848bf7c.

doc/de/weechat_scripting.de.txt

@@ -71,9 +71,6 @@ Lua
 ^^^
 
 * Funktionen werden im Format `weechat.xxx(arg1, arg2, ...)` ausgeführt
-// TRANSLATION MISSING
-* Constants in API are in fact functions, the returned value must be used as
-  constant (not the function itself).
 
 Tcl
 ^^^
@@ -334,7 +331,7 @@ Weechat.hook_timer(1000, 0, 1, "timer_cb", "test");
 ----------------------------------------
 function timer_cb(data, remaining_calls)
     weechat.print("", "timer! data="..data)
-    return weechat.WEECHAT_RC_OK()
+    return weechat.WEECHAT_RC_OK
 end
 
 weechat.hook_timer(1000, 0, 1, "timer_cb", "test")

doc/en/weechat_scripting.en.txt

@@ -70,8 +70,6 @@ Lua
 ^^^
 
 * Functions are called with `weechat.xxx(arg1, arg2, ...)`
-* Constants in API are in fact functions, the returned value must be used as
-  constant (not the function itself).
 
 Tcl
 ^^^
@@ -325,7 +323,7 @@ Weechat.hook_timer(1000, 0, 1, "timer_cb", "test");
 ----------------------------------------
 function timer_cb(data, remaining_calls)
     weechat.print("", "timer! data="..data)
-    return weechat.WEECHAT_RC_OK()
+    return weechat.WEECHAT_RC_OK
 end
 
 weechat.hook_timer(1000, 0, 1, "timer_cb", "test")

doc/fr/weechat_scripting.fr.txt

@@ -72,8 +72,6 @@ Lua
 ^^^
 
 * Les fonctions sont appelées par `weechat.xxx(arg1, arg2, ...)`
-* Les constantes dans l'API sont en fait des fonctions, la valeur retournée doit
-  être utilisée comme constante (et non la fonction elle-même).
 
 Tcl
 ^^^
@@ -335,7 +333,7 @@ Weechat.hook_timer(1000, 0, 1, "timer_cb", "test");
 ----------------------------------------
 function timer_cb(data, remaining_calls)
     weechat.print("", "timer! data="..data)
-    return weechat.WEECHAT_RC_OK()
+    return weechat.WEECHAT_RC_OK
 end
 
 weechat.hook_timer(1000, 0, 1, "timer_cb", "test")

doc/it/weechat_scripting.it.txt

@@ -72,9 +72,6 @@ Lua
 ^^^
 
 * Le funzioni sono chiamate con `weechat.xxx(arg1, arg2, ...)`
-// TRANSLATION MISSING
-* Constants in API are in fact functions, the returned value must be used as
-  constant (not the function itself).
 
 Tcl
 ^^^
@@ -339,7 +336,7 @@ Weechat.hook_timer(1000, 0, 1, "timer_cb", "test");
 ----------------------------------------
 function timer_cb(data, remaining_calls)
     weechat.print("", "timer! data="..data)
-    return weechat.WEECHAT_RC_OK()
+    return weechat.WEECHAT_RC_OK
 end
 
 weechat.hook_timer(1000, 0, 1, "timer_cb", "test")

doc/ja/weechat_scripting.ja.txt

@@ -63,9 +63,6 @@ Weechat.config_new_option(config, section, "name", "string", "description of opt
 ==== Lua ====
 
 * 関数は `weechat.xxx(arg1, arg2, ...)` のように呼び出してください。
-// TRANSLATION MISSING
-* Constants in API are in fact functions, the returned value must be used as
-  constant (not the function itself).
 
 ==== Tcl ====
 
@@ -319,7 +316,7 @@ Weechat.hook_timer(1000, 0, 1, "timer_cb", "test");
 ----------------------------------------
 function timer_cb(data, remaining_calls)
     weechat.print("", "timer! data="..data)
-    return weechat.WEECHAT_RC_OK()
+    return weechat.WEECHAT_RC_OK
 end
 
 weechat.hook_timer(1000, 0, 1, "timer_cb", "test")

doc/pl/weechat_scripting.pl.txt

@@ -71,9 +71,6 @@ Lua
 ^^^
 
 * Funkcje są wywoływane za pomocą `weechat.xxx(arg1, arg2, ...)`
-// TRANSLATION MISSING
-* Constants in API are in fact functions, the returned value must be used as
-  constant (not the function itself).
 
 Tcl
 ^^^
@@ -330,7 +327,7 @@ Weechat.hook_timer(1000, 0, 1, "timer_cb", "test");
 ----------------------------------------
 function timer_cb(data, remaining_calls)
     weechat.print("", "timer! data="..data)
-    return weechat.WEECHAT_RC_OK()
+    return weechat.WEECHAT_RC_OK
 end
 
 weechat.hook_timer(1000, 0, 1, "timer_cb", "test")