resource/aws_launch_configuration: Remove DescribeLaunchConfigurations retries on all errors (#14260)
resource/aws_launch_configuration: Remove DescribeLaunchConfigurations retries on all errors (#14260)

Reference: https://github.com/hashicorp/terraform/issues/302
Reference: https://github.com/terraform-providers/terraform-provider-aws/issues/13409

Does not seem to be occurring anymore, but could require additional load to manifest. Can re-add explicit retries as necessary.

Output from acceptance testing:

```
--- PASS: TestAccAWSLaunchConfiguration_withSpotPrice (11.31s)
--- PASS: TestAccAWSLaunchConfiguration_ebs_noDevice (13.17s)
--- PASS: TestAccAWSLaunchConfiguration_withBlockDevices (13.44s)
--- PASS: TestAccAWSLaunchConfiguration_withInstanceStoreAMI (13.67s)
--- PASS: TestAccAWSLaunchConfiguration_withEncryption (14.02s)
--- PASS: TestAccAWSLaunchConfiguration_basic (22.34s)
--- PASS: TestAccAWSLaunchConfiguration_withIAMProfile (24.19s)
--- PASS: TestAccAWSLaunchConfiguration_encryptedRootBlockDevice (25.59s)
--- PASS: TestAccAWSLaunchConfiguration_userData (28.60s)
--- PASS: TestAccAWSLaunchConfiguration_RootBlockDevice_VolumeSize (28.91s)
--- PASS: TestAccAWSLaunchConfiguration_updateEbsBlockDevices (30.96s)
--- PASS: TestAccAWSLaunchConfiguration_withVpcClassicLink (32.72s)
--- PASS: TestAccAWSLaunchConfiguration_RootBlockDevice_AmiDisappears (353.93s)
```
terraform-providers/terraform-provider-aws,terraform-providers/terraform-provider-aws,terraform-providers/terraform-provider-aws,terraform-providers/terraform-provider-aws