Update mathieu.json

mathieu.json

@@ -1,10 +1,4 @@
 [
-    {
-        "source_file":"uksi_20200438_en.pdf",
-        "query":"dummy",
-        "target_page":0,
-        "target_passage":"dummy"
-    },
     {
         "source_file":"uksi_20200438_en.pdf",
         "query":"What does \"new account\" mean according to the international tax compliance from 2020 ?",
@@ -29,12 +23,6 @@
         "target_page":3,
         "target_passage":"At high concentration (about 1 mol l−1), the MSA3 overestimates the free energy"
     },
-    {
-        "source_file":"1001.2538.pdf",
-        "query":"dummy",
-        "target_page":0,
-        "target_passage":"dummy"
-    },
     {
         "source_file":"uksi_20210582_en.pdf",
         "query":"In the health regulation regarding coronavirus, what is considered a \"device\" ?",