Removed unused files IsBigEndian.hpp and rangealgorithm.hpp (#3776)

util/IsBigEndian.hpp and util/rangealgorithm.hpp have been unused for a long time, removing them from the codebase because git keeps the history forever anyway!

src/util/IsBigEndian.hpp

@@ -1,13 +0,0 @@
-#pragma once
-
-namespace chatterino {
-
-bool isBigEndian()
-{
-    int test = 1;
-    char *p = reinterpret_cast<char *>(&test);
-
-    return p[0] == 0;
-}
-
-}  // namespace chatterino

src/util/rangealgorithm.hpp

@@ -1,22 +0,0 @@
-#pragma once
-
-#include <algorithm>
-
-namespace chatterino {
-namespace util {
-
-    template <typename Container, typename UnaryPredicate>
-    typename Container::iterator find_if(Container &container,
-                                         UnaryPredicate pred)
-    {
-        return std::find_if(container.begin(), container.end(), pred);
-    }
-
-    template <typename Container, typename UnaryPredicate>
-    bool any_of(Container &container, UnaryPredicate pred)
-    {
-        return std::any_of(container.begin(), container.end(), pred);
-    }
-
-}  // namespace util
-}  // namespace chatterino