[bsp][lpc55sxx] update IDE project file

1. update all LPC55sxx ide project file

bsp/lpc55sxx/lpc55s69_nxp_evk/project.ewp

@@ -1155,9 +1155,6 @@
   </group>
   <group>
     <name>CPU</name>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\libcpu\arm\common\backtrace.c</name>
-    </file>
     <file>
       <name>$PROJ_DIR$\..\..\..\libcpu\arm\common\div0.c</name>
     </file>

bsp/lpc55sxx/lpc55s69_nxp_evk/project.uvprojx

@@ -438,11 +438,6 @@
         <Group>
           <GroupName>CPU</GroupName>
           <Files>
-            <File>
-              <FileName>backtrace.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\libcpu\arm\common\backtrace.c</FilePath>
-            </File>
             <File>
               <FileName>div0.c</FileName>
               <FileType>1</FileType>
@@ -880,4 +875,13 @@
     <files/>
   </RTE>
 
+  <LayerInfo>
+    <Layers>
+      <Layer>
+        <LayName>project</LayName>
+        <LayPrjMark>1</LayPrjMark>
+      </Layer>
+    </Layers>
+  </LayerInfo>
+
 </Project>