Remove unused deps (pinecone-io#237)

## Problem

Some dependencies not being used.

## Solution

Remove unused deps with `poetry remove`:
- `pyyaml`
- `pythondns`
- `loguru`

## Type of Change

- [x] Infrastructure change (CI configs, etc)

Author: jhamon

poetry.lock

@@ -56,10 +56,7 @@ classifiers=[
 [tool.poetry.dependencies]
 python = ">=3.8,<4.0"
 requests = "^2.31.0"
-pyyaml = ">=5.4"
-loguru = "0.5.3"
 typing-extensions = ">=3.7.4"
-dnspython = ">=2.0.0"
 python-dateutil = ">=2.5.3"
 urllib3 = "1.25.3"
 tqdm = ">=4.64.1"
@@ -81,14 +78,14 @@ urllib3_mock = "0.3.3"
 responses = ">=0.8.1"
 pandas = ">=1.3.5"
 
+[tool.poetry.extras]
 # Poetry's concept of extras is what allows us to separate the gRPC dependencies, 
 # which will only be installed if you run `poetry install --extras "grpc"`,
 # from the base dependencies. 
 #
 # Note that Poetry expects the dependencies to be defined in either tool.poetry.dependencies 
 # or tool.poetry.group.dev.dependencies, but they're only referenced by name in the grpc entry under 
 # tool.poetry.extras
-[tool.poetry.extras]
 grpc = ["grpcio", "grpc-gateway-protoc-gen-openapiv2", "googleapis-common-protos", "lz4", "protobuf"]
 
 [build-system]