Fix qbs build.

Referring to non-existing files causes an error now.

Change-Id: I51aed8dfdcc92779158b284b849a34f259997e7c
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>

src/plugins/projectexplorer/projectexplorer.qbs

@@ -310,8 +310,6 @@ QtcPlugin {
         "images/targetleftbutton.png",
         "images/targetpanel_bottom.png",
         "images/targetpanel_gradient.png",
-        "images/targetremovebutton.png",
-        "images/targetremovebuttondark.png",
         "images/targetrightbutton.png",
         "images/targetrunselected.png",
         "images/targetseparatorbackground.png",

src/plugins/texteditor/texteditor.qbs

@@ -187,7 +187,6 @@ QtcPlugin {
             "ifunctionhintproposalmodel.h",
             "igenericproposalmodel.cpp",
             "igenericproposalmodel.h",
-            "ikeywords.h",
             "keywordscompletionassist.cpp",
             "keywordscompletionassist.h",
             "quickfixassistprocessor.cpp",