Demote font files to not be executable

I'm pretty confused why they were all marked executable in the first
place
diff --git a/src/font/Symbola-basic.woff2 b/src/font/Symbola-basic.woff2
old mode 100755
new mode 100644
Binary files differ
diff --git a/src/font/Symbola.eot b/src/font/Symbola.eot
old mode 100755
new mode 100644
Binary files differ
diff --git a/src/font/Symbola.svg b/src/font/Symbola.svg
old mode 100755
new mode 100644
diff --git a/src/font/Symbola.ttf b/src/font/Symbola.ttf
old mode 100755
new mode 100644
Binary files differ
diff --git a/src/font/Symbola.woff b/src/font/Symbola.woff
old mode 100755
new mode 100644
Binary files differ
diff --git a/src/font/Symbola.woff2 b/src/font/Symbola.woff2
old mode 100755
new mode 100644
Binary files differ