Use full commit hash and remove libgccjit.version file

Author: GuillaumeGomez

src/ci/docker/host-x86_64/dist-x86_64-linux/build-gccjit.sh

@@ -7,7 +7,8 @@ cd $1
 # Setting up folders for GCC
 git clone https://github.com/antoyo/gcc gcc-src
 cd gcc-src
-git checkout $(head -1 /scripts/libgccjit.version)
+# This commit hash needs to be updated to use a more recent gcc fork version.
+git checkout 78dc50f0e50e6cd1433149520bd512a4e0eaa1bc
 
 mkdir ../gcc-build ../gcc-install
 cd ../gcc-build

src/ci/docker/host-x86_64/dist-x86_64-linux/libgccjit.version

@@ -59,7 +59,6 @@ ENV RUST_CONFIGURE_ARGS \
 
 COPY host-x86_64/x86_64-gnu-llvm-16/script.sh /tmp/
 
-COPY host-x86_64/dist-x86_64-linux/libgccjit.version /scripts/
 COPY host-x86_64/dist-x86_64-linux/build-gccjit.sh /scripts/
 
 RUN sh /scripts/build-gccjit.sh /scripts

src/ci/docker/host-x86_64/x86_64-gnu-llvm-16/Dockerfile

@@ -54,7 +54,6 @@ ENV RUST_CONFIGURE_ARGS \
 
 COPY host-x86_64/x86_64-gnu-llvm-16/script.sh /tmp/
 
-COPY host-x86_64/dist-x86_64-linux/libgccjit.version /scripts/
 COPY host-x86_64/dist-x86_64-linux/build-gccjit.sh /scripts/
 
 RUN sh /scripts/build-gccjit.sh /scripts

src/ci/docker/host-x86_64/x86_64-gnu-llvm-17/Dockerfile

@@ -95,7 +95,6 @@ ENV RUST_CONFIGURE_ARGS \
 
 ENV HOST_TARGET x86_64-unknown-linux-gnu
 
-COPY host-x86_64/dist-x86_64-linux/libgccjit.version /scripts/
 COPY host-x86_64/dist-x86_64-linux/build-gccjit.sh /scripts/
 
 RUN sh /scripts/build-gccjit.sh /scripts