Get rid of unused android GetHandle() and FPF_HFONT

  git grep FPF_HFONT
  git grep '\bGetHandle\b'

show these are unused.

Review-Url: https://codereview.chromium.org/2032793003
diff --git a/core/fxge/android/fpf_skiafont.cpp b/core/fxge/android/fpf_skiafont.cpp
index e327713..2b639fe 100644
--- a/core/fxge/android/fpf_skiafont.cpp
+++ b/core/fxge/android/fpf_skiafont.cpp
@@ -39,10 +39,6 @@
   return this;
 }
 
-FPF_HFONT CFPF_SkiaFont::GetHandle() {
-  return nullptr;
-}
-
 CFX_ByteString CFPF_SkiaFont::GetFamilyName() {
   if (!m_Face)
     return CFX_ByteString();
diff --git a/core/fxge/android/fpf_skiafont.h b/core/fxge/android/fpf_skiafont.h
index 15347b2..4e03051 100644
--- a/core/fxge/android/fpf_skiafont.h
+++ b/core/fxge/android/fpf_skiafont.h
@@ -16,8 +16,6 @@
 class CFPF_SkiaFontDescriptor;
 class CFPF_SkiaFontMgr;
 
-typedef struct FPF_HFONT_ { void* pData; } * FPF_HFONT;
-
 class CFPF_SkiaFont {
  public:
   CFPF_SkiaFont();
@@ -26,7 +24,6 @@
   void Release();
   CFPF_SkiaFont* Retain();
 
-  FPF_HFONT GetHandle();
   CFX_ByteString GetFamilyName();
   CFX_ByteString GetPsName();
   uint32_t GetFontStyle() const { return m_dwStyle; }