chore: Use mold when available without option (#2521)

.github/actions/cmake/action.yml

@@ -33,10 +33,6 @@ inputs:
     description: Whether to enable compiler trace reports
     required: true
     default: "false"
-  use_mold:
-    description: Whether to use mold linker
-    required: true
-    default: "false"
   package:
     description: Whether to generate Debian package
     required: true
@@ -59,7 +55,6 @@ runs:
         COVERAGE: "${{ inputs.code_coverage == 'true' && 'ON' || 'OFF' }}"
         STATIC: "${{ inputs.static == 'true' && 'ON' || 'OFF' }}"
         TIME_TRACE: "${{ inputs.time_trace == 'true' && 'ON' || 'OFF' }}"
-        USE_MOLD: "${{ inputs.use_mold == 'true' && 'ON' || 'OFF' }}"
         PACKAGE: "${{ inputs.package == 'true' && 'ON' || 'OFF' }}"
       run: |
         cmake \
@@ -74,5 +69,4 @@ runs:
           -Dcoverage="${COVERAGE}" \
           -Dstatic="${STATIC}" \
           -Dtime_trace="${TIME_TRACE}" \
-          -Duse_mold="${USE_MOLD}" \
           -Dpackage="${PACKAGE}"