fix: remove [ocr] extra to fix wheel install (#42)

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

pyproject.toml

@@ -31,7 +31,7 @@ pypdfium2 = "^4.30.0"
 pydantic-settings = "^2.3.0"
 huggingface_hub = ">=0.23,<1"
 requests = "^2.32.3"
-easyocr = { version = "^1.7"}
+easyocr = "^1.7"
 docling-parse = "^0.2.0"
 certifi = ">=2024.7.4"
 rtree = "^1.3.0"
@@ -51,9 +51,6 @@ types-requests = "^2.31.0.2"
 flake8-pyproject = "^1.2.3"
 pylint = "^2.17.5"
 
-[tool.poetry.extras]
-ocr = ["easyocr"]
-
 [build-system]
 requires = ["poetry-core"]
 build-backend = "poetry.core.masonry.api"