Remove unused PS generation code.

core/fxge/ge/fx_ge_text.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include <limits>
 #include <vector>
 
 #include "core/fxcodec/include/fx_codec.h"
@@ skipping 453 matching lines @@
     }
   }
   CFX_Matrix char2device;
   CFX_Matrix text2Device;
   if (pText2Device) {
     char2device = *pText2Device;
     text2Device = *pText2Device;
   }
   char2device.Scale(font_size, -font_size);
   if (FXSYS_fabs(char2device.a) + FXSYS_fabs(char2device.b) > 50 * 1.0f ||
-      ((m_DeviceClass == FXDC_PRINTER && !m_pDeviceDriver->IsPSPrintDriver()) &&
+      ((m_DeviceClass == FXDC_PRINTER) &&
        !(text_flags & FXTEXT_PRINTIMAGETEXT))) {
     if (pFont->GetFace() ||
         (pFont->GetSubstFont()->m_SubstFlags & FXFONT_SUBST_GLYPHPATH)) {
       int nPathFlags =
           (text_flags & FXTEXT_NOSMOOTH) == 0 ? 0 : FXFILL_NOPATHSMOOTH;
       return DrawTextPathWithFlags(nChars, pCharPos, pFont, pCache, font_size,
                                    pText2Device, nullptr, nullptr, fill_color,
                                    0, nullptr, nPathFlags);
     }
   }
@@ skipping 947 matching lines @@
 void _CFX_UniqueKeyGen::Generate(int count, ...) {
   va_list argList;
   va_start(argList, count);
   for (int i = 0; i < count; i++) {
     int p = va_arg(argList, int);
     ((uint32_t*)m_Key)[i] = p;
   }
   va_end(argList);
   m_KeyLen = count * sizeof(uint32_t);
 }