remove coverage from pyproject deps

Signed-off-by: Teo <[email protected]>

pyproject.toml

@@ -52,7 +52,7 @@ langchain = [
 [dependency-groups]
 test = [
     "openai",
-    "langchain",
+    "langchain"
 ]
 
 dev = [
@@ -66,7 +66,6 @@ dev = [
 
     # Code quality and type checking
     "ruff",                  # Fast Python linter for maintaining code quality
-    "coverage",             # Code coverage tracking for quality assurance
     "mypy",                # Static type checking for better reliability
     "types-requests",      # Type stubs for requests library