Reduce binary size

No user has yet reported a range exception being thrown by a release
build, although older Delphi versions were prone to overflow when
decoding multi-byte glyphs [^1]

The stability of current FPC versions is probably solid enough to
let us discard the size and performance penalties of runtime checks

 ---
 [^1] Cf. 82f9b0e

Author: rdipardo

src/prj/HTMLTag.lpi

@@ -46,10 +46,6 @@
           </Parsing>
           <CodeGeneration>
             <RelocatableUnit Value="True"/>
-            <Checks>
-              <RangeChecks Value="True"/>
-              <OverflowChecks Value="True"/>
-            </Checks>
             <TargetCPU Value="x86_64"/>
             <Optimizations>
               <OptimizationLevel Value="3"/>