Revert "Avoid partial munmap memory leak" (WordPress#1195)

Reverts WordPress#1189

Unfortunately, the current implementation triggers "memory access out of
bounds" errors in places they weren't happening before. See
WordPress#1194 for more
context.

Author: adamziel

packages/php-wasm/compile/php-wasm-memory-storage/.gitignore

@@ -14,9 +14,6 @@ RUN git clone https://github.com/php/php-src.git php-src \
 	--single-branch          \
 	--depth 1;
 
-# Work around memory leak due to PHP using Emscripten's incomplete mmap/munmap support
-COPY ./php-wasm-memory-storage /root/php-src/ext/wasm_memory_storage
-
 RUN cd php-src && ./buildconf --force
 
 # Bring in the libraries
@@ -217,10 +214,6 @@ RUN if [ "$WITH_MBREGEX" = "yes" ] && [ "${PHP_VERSION:0:3}" != "7.0" ]; \
 COPY ./php/php*.patch /root/
 RUN cd /root && \
 	git apply --no-index /root/php${PHP_VERSION:0:3}*.patch -v && \
-	( [[ "${PHP_VERSION:0:3}" == '8.3' ]] && \
-		git apply --no-index /root/php-chunk-alloc-zend-assert-8.3.patch -v || \
-		git apply --no-index /root/php-chunk-alloc-zend-assert.patch -v \
-	) && \
 	touch php-src/patched
 
 # Add VRZNO if needed
@@ -277,7 +270,6 @@ RUN source /root/emsdk/emsdk_env.sh && \
 	--enable-bcmath    \
 	--enable-ctype     \
 	--enable-tokenizer \
-	--enable-wasm_memory_storage \
 	$(cat /root/.php-configure-flags)
 
 # Silence the errors "munmap() failed: [28] Invalid argument"