Remove 32bit shell dll from 64bit installer

Closes #2408

PowerEditor/installer/nsisInclude/binariesComponents.nsh

@@ -29,11 +29,20 @@
 ${MementoSection} "Context Menu Entry" explorerContextMenu
 	SetOverwrite try
 	SetOutPath "$INSTDIR\"
-	${If} ${RunningX64}
+	
+	; There is no need to keep x86 NppShell_06.dll in 64 bit installer
+	; But in 32bit installer both the Dlls are required
+	; 	As user can install 32bit npp version on x64 bit machine, that time x64 bit NppShell is required.
+	
+	!ifdef ARCH64
 		File /oname=$INSTDIR\NppShell_06.dll "..\bin\NppShell64_06.dll"
-	${Else}
-		File "..\bin\NppShell_06.dll"
-	${EndIf}
+	!else
+		${If} ${RunningX64}
+			File /oname=$INSTDIR\NppShell_06.dll "..\bin\NppShell64_06.dll"
+		${Else}
+			File "..\bin\NppShell_06.dll"
+		${EndIf}
+	!endif
 	
 	Exec 'regsvr32 /s "$INSTDIR\NppShell_06.dll"'
 ${MementoSectionEnd}