Remove excess errors from config (#4151)

`ARGUMENT_BLOCK_FORWARDING` seems to have been left unused since 8266572
The other I didn't find (possible I missed it)

Author: Earlopain

config.yml

@@ -5,7 +5,6 @@ errors:
   - ARGUMENT_AFTER_BLOCK
   - ARGUMENT_AFTER_FORWARDING_ELLIPSES
   - ARGUMENT_BARE_HASH
-  - ARGUMENT_BLOCK_FORWARDING
   - ARGUMENT_BLOCK_MULTI
   - ARGUMENT_CONFLICT_AMPERSAND
   - ARGUMENT_CONFLICT_STAR
@@ -98,7 +97,6 @@ errors:
   - EXPECT_EXPRESSION_AFTER_LPAREN
   - EXPECT_EXPRESSION_AFTER_OPERATOR
   - EXPECT_EXPRESSION_AFTER_PIPEPIPEEQ
-  - EXPECT_EXPRESSION_AFTER_QUESTION
   - EXPECT_EXPRESSION_AFTER_SPLAT
   - EXPECT_EXPRESSION_AFTER_SPLAT_HASH
   - EXPECT_EXPRESSION_AFTER_STAR