Update string.h

Removed `ColumnString::EstimatedValuesSize::HUGE`, since `HUGE` seems to be a macro name on some platforms.

Author: Enmk

clickhouse/columns/string.h

@@ -93,7 +93,6 @@ class ColumnString : public Column {
         SMALL = 32,
         MEDIUM = 128,
         LARGE = 512,
-        HUGE = 2048,
     };
     static constexpr auto DEFAULT_ESTIMATION = EstimatedValueSize::MEDIUM;