Remove core/fpdfapi/page dependence on fpdfapi/cmaps

It does not appear to use it directly, instead calling through
fpdfapi/font as needed.

Change-Id: I6e0d20d342f3f26774c73bc32ba65e500bcfd023
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/58070
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
diff --git a/core/fpdfapi/page/BUILD.gn b/core/fpdfapi/page/BUILD.gn
index 8ac278e..18082ad 100644
--- a/core/fpdfapi/page/BUILD.gn
+++ b/core/fpdfapi/page/BUILD.gn
@@ -102,7 +102,6 @@
     "../../fxcodec",
     "../../fxcrt",
     "../../fxge",
-    "../cmaps",
     "../font",
     "../parser",
   ]