Revert of Break LCD and Bitmap text dependency on hardcoded atlas values

include/core/SkFloatingPoint.h

Index: include/core/SkFloatingPoint.h
diff --git a/include/core/SkFloatingPoint.h b/include/core/SkFloatingPoint.h
index f7ee816b12005a6377a34016e35f878696a1e270..7427562323f39d3dfe22ea35b37c0c2a382cf0c9 100644
--- a/include/core/SkFloatingPoint.h
+++ b/include/core/SkFloatingPoint.h
@@ -158,13 +158,4 @@
 #endif
 }
 
-// This is the number of significant digits we can print in a string such that when we read that
-// string back we get the floating point number we expect.  The minimum value C requires is 6, but
-// most compilers support 9
-#ifdef FLT_DECIMAL_DIG
-#define SK_FLT_DECIMAL_DIG FLT_DECIMAL_DIG
-#else
-#define SK_FLT_DECIMAL_DIG 9
 #endif
-
-#endif