CI: Remove protobuf workaround for openSUSE

.github/workflows/build.yml

@@ -20,9 +20,6 @@ jobs:
     container:
       image: opensuse/${{matrix.opensuse_version}}
     steps:
-      - name: Add devel tools building repo
-        if: matrix.opensuse_version != 'tumbleweed'
-        run: zypper -n ar -c -f -n 'devel-tools-building' https://download.opensuse.org/repositories/devel:tools:building/$(echo "${{matrix.opensuse_version}}" | cut -d ':' -f 2)/ devel-tools-building
       - name: Add tagparser repo
         if: matrix.opensuse_version == 'tumbleweed'
         run: zypper -n ar -c -f -n 'repo-tagparser' https://download.opensuse.org/repositories/home:/mkittler/openSUSE_Tumbleweed/ repo-tagparser
@@ -985,7 +982,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        arch: [ 'i686', 'x86_64' ]
+        arch: [ 'x86_64' ]
         buildtype: [ 'debug', 'release' ]
     container:
       image: jonaski/strawberry-mxe-${{matrix.arch}}-${{matrix.buildtype}}
@@ -1156,8 +1153,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        arch: [ 'x86', 'x86_64' ]
-        buildtype: [ 'debug', 'release' ]
+        arch: [ 'x86_64' ]
+        buildtype: [ 'release' ]
     steps:
 
       - name: Set prefix path