Remove extraneous newlines in exercises 26 and 44

exercises/026_hello2.zig

@@ -10,7 +10,6 @@ const std = @import("std");
 // that Zig will infer the error type. This is appropriate in the case
 // of main(), but can have consequences elsewhere.
 pub fn main() !void {
-
     // We get a Writer for Standard Out so we can print() to it.
     const stdout = std.io.getStdOut().writer();
 

exercises/043_pointers5.zig

@@ -62,7 +62,6 @@ pub fn main() void {
 
 // Note how this function's "c" parameter is a pointer to a Character struct.
 fn printCharacter(c: *Character) void {
-
     // Here's something you haven't seen before: when switching an enum, you
     // don't have to write the full enum name. Zig understands that ".wizard"
     // means "Class.wizard" when we switch on a Class enum value: