Don't set the active texture when creating a palette

Fixes https://github.com/libsdl-org/SDL/issues/14705

src/render/opengles2/SDL_render_gles2.c

@@ -1713,7 +1713,6 @@ static bool GLES2_CreatePalette(SDL_Renderer *renderer, SDL_TexturePalette *pale
     if (!GL_CheckError("glGenTexures()", renderer)) {
         return false;
     }
-    data->glActiveTexture(GL_TEXTURE1);
     data->glBindTexture(GL_TEXTURE_2D, palettedata->texture);
     data->glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 256, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
     if (!GL_CheckError("glTexImage2D()", renderer)) {