Update linter configuration

.golangci.yml

@@ -3,14 +3,6 @@ run:
   concurrency: 6
   timeout: 15m
 issues:
-  exclude-rules:
-    # counterfeiter fakes are usually named 'fake_<something>.go'
-    - path: fake_.*\.go
-      linters:
-        - gocritic
-        - golint
-        - dupl
-
   # Maximum issues count per one linter. Set to 0 to disable. Default is 50.
   max-issues-per-linter: 0
 
@@ -149,21 +141,5 @@ linters-settings:
       - BUG
       - FIXME
       - HACK
-  errcheck:
-    check-type-assertions: true
-    check-blank: true
   gocritic:
     enable-all: true
-  nolintlint:
-    # Enable to ensure that nolint directives are all used. Default is true.
-    allow-unused: false
-    # Disable to ensure that nolint directives don't have a leading space. Default is true.
-    # TODO(lint): Enforce machine-readable `nolint` directives
-    allow-leading-space: true
-    # Exclude following linters from requiring an explanation.  Default is [].
-    allow-no-explanation: []
-    # Enable to require an explanation of nonzero length after each nolint directive. Default is false.
-    # TODO(lint): Enforce explanations for `nolint` directives
-    require-explanation: false
-    # Enable to require nolint directives to mention the specific linter being suppressed. Default is false.
-    require-specific: true