Get rid of the pre-check for the font file path

It failed early in case there are no such file in local file system,
even if the String specified vaild resource available by other means.
Suggested by Richard Cohn.

Author: yulian-gaponenko

io/src/main/java/com/itextpdf/io/font/FontProgram.java

@@ -279,6 +279,7 @@ protected void setFontName(String psFontName) {
         fontNames.setFontName(psFontName);
     }
 
+    @Deprecated
     protected void checkFilePath(String path) {
         if (path != null && !FontConstants.BUILTIN_FONTS_14.contains(path) && !FileUtil.fileExists(path)) {
             throw new IOException(IOException.FontFile1NotFound).setMessageParams(path);

io/src/main/java/com/itextpdf/io/font/TrueTypeFont.java

@@ -88,7 +88,6 @@ protected TrueTypeFont() {
     }
 
     public TrueTypeFont(String path) throws java.io.IOException {
-        checkFilePath(path);
         fontParser = new OpenTypeParser(path);
         fontParser.loadTables(true);
         initializeFontProperties();
@@ -101,7 +100,6 @@ public TrueTypeFont(byte[] ttf) throws java.io.IOException {
     }
 
     TrueTypeFont(String ttcPath, int ttcIndex) throws java.io.IOException {
-        checkFilePath(ttcPath);
         fontParser = new OpenTypeParser(ttcPath, ttcIndex);
         fontParser.loadTables(true);
         initializeFontProperties();

io/src/main/java/com/itextpdf/io/font/Type1Font.java

@@ -90,8 +90,6 @@ protected Type1Font() {
 
     protected Type1Font(String metricsPath, String binaryPath, byte[] afm, byte[] pfb) throws java.io.IOException {
         this();
-        checkFilePath(metricsPath);
-        checkFilePath(binaryPath);
 
         fontParser = new Type1Parser(metricsPath, binaryPath, afm, pfb);
         process();