Revert "Add FML syntax validation endpoint with detailed error reporting"

[litlfred]

Reverts #15

[Copilot]

Pull Request Overview

This PR reverts PR #15 which added FML syntax validation endpoint functionality with detailed error reporting. The revert removes all syntax validation features that were previously implemented.

• Removes the FML syntax validation endpoint and related functionality
• Deletes comprehensive test suites for validation features
• Removes type definitions and implementation for syntax validation

Reviewed Changes

Copilot reviewed 10 out of 11 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
packages/fmlrunner/tsconfig.json	Reverts exclusion of Kotlin bridge files from TypeScript compilation
packages/fmlrunner/tests/fml-syntax-validation.test.ts	Removes comprehensive test suite for FML syntax validation
packages/fmlrunner/src/types/index.ts	Removes type definitions for FML syntax validation interfaces
packages/fmlrunner/src/lib/fml-compiler.ts	Removes validateSyntax method and related helper functions
packages/fmlrunner/src/index.ts	Removes validateFmlSyntax method from FmlRunner class
packages/fmlrunner-rest/tests/fml-syntax-validation-api.test.ts	Removes REST API test suite for syntax validation endpoint
packages/fmlrunner-rest/src/api.ts	Removes validateFmlSyntax endpoint implementation
packages/fmlrunner-mcp/src/index.ts	Removes MCP tool for FML syntax validation
docs/FML_SYNTAX_VALIDATION.md	Removes documentation for syntax validation feature
demo.html	Removes demo page showcasing syntax validation functionality

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