Remove unused code block, neither salt_render or file_exists was being used

Author: stiltzkin10

changelog/60515.fixed.md

@@ -0,0 +1 @@
+Fix bug when specifying template_source using net.load_template

salt/modules/napalm_network.py

@@ -1940,21 +1940,10 @@ def load_template(
         )
         return _loaded  # exit
 
-    # to check if will be rendered by salt or NAPALM
-    salt_render_prefixes = ("salt://", "http://", "https://", "ftp://")
-    salt_render = False
-    file_exists = False
-    if not isinstance(template_name, (tuple, list)):
-        for salt_render_prefix in salt_render_prefixes:
-            if not salt_render:
-                salt_render = salt_render or template_name.startswith(
-                    salt_render_prefix
-                )
-        file_exists = __salt__["file.file_exists"](template_name)
-
     if context is None:
         context = {}
     context.update(template_vars)
+
     # if needed to render the template send as inline arg
     if template_source:
         # render the content

tests/pytests/unit/modules/napalm/test_network.py

@@ -20,6 +20,7 @@ def configure_loader_modules():
             "file.join": napalm_test_support.join,
             "file.get_managed": napalm_test_support.get_managed_file,
             "random.hash": napalm_test_support.random_hash,
+            "file.apply_template_on_contents": MagicMock()
         }
     }
 
@@ -181,9 +182,13 @@ def test_load_template():
         "salt.utils.napalm.get_device",
         MagicMock(return_value=napalm_test_support.MockNapalmDevice()),
     ):
+        # template_name
         ret = napalm_network.load_template("set_ntp_peers", peers=["192.168.0.1"])
         assert ret["out"] is None
 
+        # template_source
+        ret = napalm_network.load_template(template_source="ntp server 192.168.0.1")
+        assert ret["out"] is None
 
 def test_commit():
     with patch(