remove dead code

Author: CapsAdmin

nattlua/analyzer/control_flow.lua

@@ -182,17 +182,6 @@ return function(META)
 		self:Error(type_errors.plain_error(msg))
 	end
 
-	function META:GetThrownErrorMessage()
-		return self.lua_error_thrown or
-			self.lua_assert_error_thrown and
-			self.lua_assert_error_thrown.msg
-	end
-
-	function META:ClearError()
-		self.lua_error_thrown = nil
-		self.lua_assert_error_thrown = nil
-	end
-
 	function META:Return(node, types)
 		local scope = self:GetScope()
 		local function_scope = scope:GetNearestFunctionScope()
@@ -355,10 +344,6 @@ return function(META)
 		return true
 	end
 
-	function META:UncertainReturn()
-		self.call_stack[1].scope:UncertainReturn()
-	end
-
 	function META:Print(...)
 		local node = self.current_expression
 		local start, stop = node:GetStartStop()

nattlua/lexer/lexer.lua

@@ -71,19 +71,11 @@ function META:GetPosition()
 	return self.Position
 end
 
-function META:TheEnd()--[[#: boolean]]
-	return self.Position > self:GetLength()
-end
-
 function META:IsString(str--[[#: string]], offset--[[#: number | nil]])--[[#: boolean]]
 	offset = offset or 0
 	return self.Code:IsStringSlice(self.Position + offset, self.Position + offset + #str - 1, str)
 end
 
-function META:IsStringLower(str--[[#: string]])--[[#: boolean]]
-	return self.Code:GetStringSlice(self.Position, self.Position + #str - 1):lower() == str
-end
-
 function META:OnError(
 	code--[[#: Code]],
 	msg--[[#: string]],