Remove debug config for inputmethod plugins

No reason to force to debug build.

Signed-off-by: OBATA Akio <obache@wizdas.com>
(cherry picked from commit ecbbc92b78)

plugins/src/inputmethods/imsw-multi/imsw-multi.pro

@@ -3,7 +3,7 @@ TARGET   = qimsw-multi
 DESTDIR  = ../../../inputmethods
 
 INCLUDEPATH += .
-CONFIG      += qt warn_on debug plugin
+CONFIG      += qt warn_on plugin
 target.path += $$plugins.path/inputmethods
 INSTALLS    += target
 

plugins/src/inputmethods/imsw-none/imsw-none.pro

@@ -3,7 +3,7 @@ TARGET   = qimsw-none
 DESTDIR  = ../../../inputmethods
 
 INCLUDEPATH += .
-CONFIG      += qt warn_on debug plugin
+CONFIG      += qt warn_on plugin
 target.path += $$plugins.path/inputmethods
 INSTALLS    += target
 

plugins/src/inputmethods/simple/simple.pro

@@ -3,7 +3,7 @@ TARGET = qsimple
 DESTDIR  = ../../../inputmethods
 
 INCLUDEPATH += .
-CONFIG      += qt warn_on debug plugin
+CONFIG      += qt warn_on plugin
 target.path += $$plugins.path/inputmethods
 INSTALLS    += target
 

plugins/src/inputmethods/xim/xim.pro

@@ -3,7 +3,7 @@ TARGET = qxim
 DESTDIR  = ../../../inputmethods
 
 INCLUDEPATH += .
-CONFIG      += qt warn_on debug plugin
+CONFIG      += qt warn_on plugin
 target.path += $$plugins.path/inputmethods
 INSTALLS    += target
 DEFINES     += QT_NO_XINERAMA