Remove latex math formatting from README

I guess Github's markdown doesn't format math automatically.

README.md

@@ -1,6 +1,6 @@
 # Ryan Thompson's Thesis
 
-**Title:** Bioinformatic analysis of complex, high-throughput genomic and epigenomic data in the context of $\textrm[CD4]^{+}$ T-cell differentiation and diagnosis and treatment of transplant rejection
+**Title:** Bioinformatic analysis of complex, high-throughput genomic and epigenomic data in the context of CD4+ T-cell differentiation and diagnosis and treatment of transplant rejection
 
 * Final thesis document: https://mneme.dedyn.io/~ryan/Thesis/thesis-final.pdf
 * Defense slides: https://mneme.dedyn.io/~ryan/Thesis/presentation.pdf