[Ada] Remove the Has_Dynamic_Range_Check flag

[Ada] Remove the Has_Dynamic_Range_Check flag

2020-06-08  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

	* atree.adb (New_Copy): Do not clear Has_Dynamic_Range_Check.
	* checks.ads (Append_Range_Checks): Remove Flag_Node parameter.
	(Insert_Range_Checks): Likewise and remove default value of
	Static_Loc parameter.
	* checks.adb (Append_Range_Checks): Remove Flag_Node parameter.
	Do not test and set Has_Dynamic_Range_Check.
	(Insert_Range_Checks): Likewise and remove default value of
	Static_Loc parameter.
	* csinfo.adb (CSinfo): Remove 'L' from [NEUB]_Fields pattern and
	do not handle Has_Dynamic_Range_Check.
	* exp_ch5.adb (Expand_N_Assignment_Statement): Remove argument
	in call to Insert_Range_Checks.
	* sem_ch3.adb (Analyze_Subtype_Declaration): Do not fiddle
	with Has_Dynamic_Range_Check.
	(Process_Range_Expr_In_Decl): Remove argument in calls to
	Insert_Range_Checks and Append_Range_Checks.
	* sinfo.ads (Has_Dynamic_Range_Check): Delete.
	(Set_Has_Dynamic_Range_Check): Likewise.
	* sinfo.adb (Has_Dynamic_Range_Check): Delete.
	(Set_Has_Dynamic_Range_Check): Likewise.
	* treepr.adb (Print_Node): Do not print Has_Dynamic_Range_Check.