attempt to remove (hopefully) unnecessary solaris and windows files; fix a couple potential leaks

engine/shared/library/sharedImage/src/shared/TargaFormat.cpp

@@ -1197,6 +1197,7 @@ bool TargaFormat::saveImage(const Image &image, const char *filename)
 	numWritten = fwrite(&header, sizeof(header), 1, f);
    if (numWritten != 1)
    {
+	    fclose(f);
 		DEBUG_WARNING(true, ("Targa header not written successfully.\n"));
       return false;
    }

engine/shared/library/sharedImage/src/win32/FirstSharedImage.cpp

@@ -1,8 +0,0 @@
-// ======================================================================
-//
-// FirstImage.cpp
-// copyright (c) 2001 Sony Online Entertainment
-//
-// ======================================================================
-
-#include "sharedImage/FirstSharedImage.h"