[bdf,pcf,winfonts,sfnt] Remove barely used marcros.

* include/freetype/internal/ftobjs.h (FT_FACE_SIZE, FT_SIZE_FACE):
Removed.
* src/bdf/bdfdrivr.c (BDF_Glyph_Load): Updated.
* src/pcf/pcfdrivr.c (PCF_Glyph_Load): Ditto.
* src/winfonts/winfnt.c (FNT_Load_Glyph): Ditto
* src/sfnt/ttbdf.c (tt_face_find_bdf_prop): Ditto.

include/freetype/internal/ftobjs.h

@@ -604,12 +604,6 @@ FT_BEGIN_HEADER
 #define FT_FACE_MEMORY( x )   FT_FACE( x )->memory
 #define FT_FACE_STREAM( x )   FT_FACE( x )->stream
 
-#define FT_SIZE_FACE( x )     FT_SIZE( x )->face
-#define FT_SLOT_FACE( x )     FT_SLOT( x )->face
-
-#define FT_FACE_SLOT( x )     FT_FACE( x )->glyph
-#define FT_FACE_SIZE( x )     FT_FACE( x )->size
-
 
   /**************************************************************************
    *

src/bdf/bdfdrivr.c

@@ -780,8 +780,8 @@ THE SOFTWARE.
                   FT_UInt       glyph_index,
                   FT_Int32      load_flags )
   {
-    BDF_Face     bdf    = (BDF_Face)FT_SIZE_FACE( size );
-    FT_Face      face   = FT_FACE( bdf );
+    FT_Face      face   = size->face;
+    BDF_Face     bdf    = (BDF_Face)face;
     FT_Error     error  = FT_Err_Ok;
     FT_Bitmap*   bitmap = &slot->bitmap;
     bdf_glyph_t  glyph;

src/pcf/pcfdrivr.c

@@ -453,7 +453,7 @@ THE SOFTWARE.
                   FT_UInt       glyph_index,
                   FT_Int32      load_flags )
   {
-    PCF_Face    face   = (PCF_Face)FT_SIZE_FACE( size );
+    PCF_Face    face   = (PCF_Face)size->face;
     FT_Stream   stream;
     FT_Error    error  = FT_Err_Ok;
     FT_Bitmap*  bitmap = &slot->bitmap;

src/sfnt/ttbdf.c

@@ -142,7 +142,7 @@
   {
     TT_Face    ttface = (TT_Face)face;
     TT_BDF     bdf    = &ttface->bdf;
-    FT_Size    size   = FT_FACE_SIZE( face );
+    FT_Size    size   = face->size;
     FT_Error   error  = FT_Err_Ok;
     FT_Byte*   p;
     FT_UInt    count;

src/winfonts/winfnt.c

@@ -1006,7 +1006,7 @@
                   FT_UInt       glyph_index,
                   FT_Int32      load_flags )
   {
-    FNT_Face    face   = (FNT_Face)FT_SIZE_FACE( size );
+    FNT_Face    face   = (FNT_Face)size->face;
     FNT_Font    font;
     FT_Error    error  = FT_Err_Ok;
     FT_Byte*    p;