Don't set LD_LIBRARY_PATH for CI workflows

This shouldn't be necessary any longer, after the fix in the grandparent
commit.

.circleci/config.yml

@@ -15,8 +15,6 @@ jobs:
       - run:
           name: Install dependencies
           command: |
-            echo LD_LIBRARY_PATH=`pwd`/lib >> $BASH_ENV
-
             # Do _not_ use the CPU count returned by build/tools/proc_count.sh
             # for building, it is too high (36 logical CPUs) and results in
             # running out of memory, so limit ourselves to just 2 CPUs we're

.cirrus.yml

@@ -23,8 +23,6 @@ task:
         arch: arm
 
   before_script: |
-    echo LD_LIBRARY_PATH=`pwd`/lib >> $CIRRUS_ENV
-
     wxPROC_COUNT=`./build/tools/proc_count.sh`
     # ARM systems have 64 CPUs but run out of memory and crash when using that
     # many jobs, so limit them to something reasonable.

.github/workflows/ci.yml

@@ -197,8 +197,6 @@ jobs:
 
       - name: Set up build environment
         run: |
-          echo LD_LIBRARY_PATH=`pwd`/lib >> $GITHUB_ENV
-
           wxPROC_COUNT=`./build/tools/proc_count.sh`
           echo wxBUILD_ARGS=-j$wxPROC_COUNT >> $GITHUB_ENV