Minor template tweaks (#832)

## Changes

Minor tweaks to the template.

libs/template/templates/default-python/databricks_template_schema.json

@@ -26,7 +26,7 @@
             "type": "string",
             "default": "yes",
             "enum": ["yes", "no"],
-            "description": "Include a stub (sample) Python package 'my_project/src'",
+            "description": "Include a stub (sample) Python package in '{{.project_name}}/src'",
             "order": 4
         }
     }

libs/template/templates/default-python/template/__preamble.tmpl

@@ -13,6 +13,7 @@ This file only template directives; it is skipped for the actual output.
   {{skip "{{.project_name}}/tests/main_test.py"}}
   {{skip "{{.project_name}}/setup.py"}}
   {{skip "{{.project_name}}/pytest.ini"}}
+  {{skip "{{.project_name}}/requirements-dev.txt"}}
 {{end}}
 
 {{if $notDLT}}

libs/template/templates/default-python/template/{{.project_name}}/resources/{{.project_name}}_pipeline.yml.tmpl

@@ -7,6 +7,3 @@ resources:
       libraries:
         - notebook:
             path: ../src/dlt_pipeline.ipynb
-
-      configuration:
-        bundle.sourcePath: /Workspace/${workspace.file_path}/src

libs/template/templates/default-python/template/{{.project_name}}/src/dlt_pipeline.ipynb.tmpl

@@ -35,7 +35,6 @@
     "# Import DLT and src/{{.project_name}}\n",
     "import dlt\n",
     "import sys\n",
-    "sys.path.append(spark.conf.get(\"bundle.sourcePath\", \".\"))\n",
     "from pyspark.sql.functions import expr\n",
     "from {{.project_name}} import main"
    {{else}}