remove obsolete wasm patch

Makefile

@@ -1,32 +1,10 @@
-WEB_TREE_SITTER_FILES=README.md package.json tree-sitter-web.d.ts tree-sitter.js tree-sitter.wasm
-TREE_SITTER_VERSION=v0.20.1
-
-all: node_modules/web-tree-sitter tree-sitter-haskell.wasm
+all: tree-sitter-haskell.wasm
 
 # build parser.c
 src/parser.c: grammar.js
 	npx tree-sitter generate
 
-# build patched version of web-tree-sitter
-node_modules/web-tree-sitter:
-	@rm -rf tmp/tree-sitter
-	@git clone                                       \
-		-c advice.detachedHead=false --quiet           \
-		--depth=1 --branch=$(TREE_SITTER_VERSION)      \
-		https://github.com/tree-sitter/tree-sitter.git \
-		tmp/tree-sitter
-	@cp tree-sitter.patch tmp/tree-sitter/
-	@>/dev/null                      \
-		&& cd tmp/tree-sitter          \
-		&& git apply tree-sitter.patch \
-		&& ./script/build-wasm --debug
-	@mkdir -p node_modules/web-tree-sitter
-	@cp tmp/tree-sitter/LICENSE node_modules/web-tree-sitter
-	@cp $(addprefix tmp/tree-sitter/lib/binding_web/,$(WEB_TREE_SITTER_FILES)) node_modules/web-tree-sitter
-	@rm -rf tmp/tree-sitter
-
 # build web version of tree-sitter-haskell
-# NOTE: requires patched version of web-tree-sitter
 tree-sitter-haskell.wasm: src/parser.c src/scanner.c
 	npx tree-sitter build-wasm