Remove error recovery tests
Remove error recovery tests

This behavior is mainly testing tree-sitter itself. These tests will become
part of tree-sitter's own test suite.

Refs tree-sitter/tree-sitter#26

tree-sitter/tree-sitter-json,tree-sitter/tree-sitter-json,tree-sitter/tree-sitter-json,tree-sitter/tree-sitter-json,tree-sitter/tree-sitter-json,tree-sitter/tree-sitter-json