CI: remove useless quotes

(cherry picked from commit df714452)

.gitlab-ci.yml

@@ -8,7 +8,7 @@ build_linux_i686:
   stage: build
   script:
     - autoreconf -si
-    - './configure --host=i686-linux-gnu'
+    - ./configure --host=i686-linux-gnu
     - make -j$(nproc)
   artifacts:
     paths:
@@ -18,7 +18,7 @@ build_linux_x86_64:
   stage: build
   script:
     - autoreconf -si
-    - './configure --host=x86_64-linux-gnu'
+    - ./configure --host=x86_64-linux-gnu
     - make -j$(nproc)
   artifacts:
     paths:
@@ -28,7 +28,7 @@ build_linux_arm64:
   stage: build
   script:
     - autoreconf -si
-    - './configure --host=aarch64-linux-gnu'
+    - ./configure --host=aarch64-linux-gnu
     - make -j$(nproc)
   artifacts:
     paths:
@@ -42,7 +42,7 @@ build_windows_x86_64:
     - mkdir -p deps
     - tar xf ~/tarballs/mingw-w64-x86_64-boost-$MINGW64_BOOST_VERSION-any.pkg.tar.zst --directory deps
     - autoreconf -si
-    - './configure --host=x86_64-w64-mingw32 --with-boost=$(pwd)/deps/mingw64/include'
+    - ./configure --host=x86_64-w64-mingw32 --with-boost=$(pwd)/deps/mingw64/include
     - make -j$(nproc)
   artifacts:
     paths:
@@ -54,7 +54,7 @@ build_macos_x86_64:
     - macOS
   script:
     - autoreconf -si
-    - 'arch -x86_64 ./configure CC=gcc-12 CXX=g++-12 LEX=/usr/local/opt/flex/bin/flex YACC=/usr/local/opt/bison/bin/bison'
+    - arch -x86_64 ./configure CC=gcc-12 CXX=g++-12 LEX=/usr/local/opt/flex/bin/flex YACC=/usr/local/opt/bison/bin/bison
     - arch -x86_64 make -j$(sysctl -n hw.ncpu)
   artifacts:
     paths: