Simplify use of pie

src/build_settings.cpp

@@ -257,12 +257,6 @@ enum RelocMode : u8 {
 	RelocMode_DynamicNoPIC,
 };
 
-enum LinkPIE : u8 {
-	LinkPIE_Default,
-	LinkPIE_No,
-	LinkPIE_Yes,
-};
-
 enum BuildPath : u8 {
 	BuildPath_Main_Package,     // Input  Path to the package directory (or file) we're building.
 	BuildPath_RC,               // Input  Path for .rc  file, can be set with `-resource:`.
@@ -473,7 +467,6 @@ struct BuildContext {
 	bool   print_linker_flags;
 
 	RelocMode reloc_mode;
-	LinkPIE link_pie;
 	bool   disable_red_zone;
 
 	isize max_error_count;